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DHS/CBP/PIA-073 Advance Travel Authorization (ATA)

The U.S. Department of Homeland Security (DHS) is developing a new, voluntary Advance Travel Authorization (ATA) process to collect information from eligible noncitizens requesting advance authorization to travel to the United States to seek a discretionary grant of parole. U.S. Customs and Border Protection (CBP) is publishing this new Privacy Impact Assessment (PIA) to provide notice and assess the privacy risks associated with ATA. ATA launched October 12, 2022, to implement a parole process for certain undocumented noncitizens from select countries and their qualifying immediate family members, under which those individuals may request advance authorization to travel to the United States to seek a discretionary grant of parole. This Privacy Impact Assessment discusses the general workflow of ATA and the information collected, stored, and used at each step. CBP’s ATA collection is conducted through the CBP One™ mobile application, and CBP is publishing a CBP One™ Privacy Impact Assessment appendix update concurrently with this ATA Privacy Impact Assessment. Appendices regarding the Ad Hoc ATA Process and the Uniting for Ukraine (U4U) Process were recently updated and expanded. February 2024

Associated SORN(s)

• DHS/CBP-006 Automated Targeting System,
• DHS/USCIS/ICE/CBP-001 Alien File, Index, and National File Tracking System of Records
• Privacy Impact Assessments (PIA)
• Privacy Impact Assessment (PIA)

Everything You Need To Know About TPS Travel Authorization and How To Apply for It

Temporary Protected Status (TPS) is a temporary immigration status granted to people in the U.S. who come from certain countries they can’t return to. If you have TPS or have applied for TPS and you want to travel outside of the United States, you need to apply for travel authorization. Getting travel authorization allows you to return to the U.S. after leaving without having your immigration status revoked. Applying for travel authorization can take up to five months, so it’s important to plan ahead.

Written by ImmigrationHelp Team .  Updated August 15, 2022

What Is TPS? 

Temporary Protected Status (TPS) is a temporary immigration designation. It allows individuals to work and live in the United States regardless of their immigration status. But this special status only applies when it would be unsafe for them to return to their home country. With TPS, a person doesn’t have to worry about getting detained or deported even if they overstay an immigrant visa or are an undocumented immigrant. 

Only those who have come from countries that qualify for TPS are eligible to receive it. There are currently 15 designated countries that have Temporary Protected Status, including:

Afghanistan

Burma (Myanmar)

El Salvador

South Sudan

This list of Temporary Protected Status countries is subject to change. To confirm the current countries on the list, visit the U.S. Citizenship and Immigration Services’ (USCIS) Temporary Protected Status website .

How Does a Country Receive Protected Status? 

The Secretary of the Department of Homeland Security (DHS) can designate a country for TPS if certain temporary conditions make it difficult and/or dangerous for individuals from that country to return. These conditions include:

An ongoing armed conflict, like civil war; 

A natural disaster, such as a disease outbreak or earthquake; or

Another type of temporary and extraordinary condition that makes it dangerous for someone to return home.

In addition to staying in the United States without risk of removal, beneficiaries of TPS are also eligible to apply for work authorization , like receiving a work permit or Employment Authorization Document (EAD).

As beneficial as TPS is, it has a few limitations. Unlike those who receive asylum status , TPS recipients don’t have a pathway to lawful permanent residency with an adjustment of status.

Also, if you have TPS, you can’t automatically return to the United States if you leave. You can travel to and from the United States, but you first need to apply for travel authorization. This is called Advance Parole.

What Is Advance Parole? 

Despite its name, Advance Parole has nothing to do with the criminal justice system. Rather, it’s a type of travel authorization that allows certain immigrants to return to the United States after traveling abroad. Without Advance Parole, immigrants who leave the United States while their immigration application or status is still pending may:

Have their immigration status revoked

Have any pending applications denied

Be barred from re-entry to the United States

Generally speaking, if someone is eligible for TPS, they’re also eligible for Advance Parole or a TPS travel authorization document. This means if you apply for TPS, you can apply for Advance Parole at the same time. In other words, you don’t have to wait until your TPS application is approved before applying for Advance Parole.

How Can Someone With TPS Apply for Travel Authorization? 

You can get permission to travel through either Advance Parole or TPS travel authorization. Either method requires you to complete Form I-131 . It costs $575 to file this form, and the USCIS normally takes about three months to process it.

Applicants most often submit Form I-131 to the USCIS by mail. The address you mail your completed form to depends on who you are and what other immigration relief or benefits you’re requesting. 

For example, if you’re filing Form I-131 along with Form I-821 (the form you use to apply for TPS), you’ll send your Form I-131 to the address assigned to your country. If your Form I-821 has already been approved or you’re requesting Advance Parole with Form I-821 that’s pending approval, then you’ll send your Form I-131 to one of two addresses. If using the U.S. Postal Service (USPS), you’ll send it to:

Attn: I-131 TPS

P.O. Box 660167

Dallas, TX 75266-0867

If you want to send Form I-131 via UPS, DHL, or FedEx, then you’ll use this address instead:

2501 S. State Hwy. 121 Business

Lewisville, TX 75067

When completing Form I-131, you don’t need to give a reason for your request if you’re already on TPS and applying for Advance Parole. However, you do need to give a reason if you have a different immigration status, such as DACA or a green card.

How To Get Updates on the Status of Your Travel Authorization Request

If you want to receive progress updates via email or text notifications, you can submit Form G-1145 along with your I-131 application. The USCIS will send you an e-Notification within one day of accepting your application. This e-Notification also has a receipt number that you can use to get further application status updates as it’s processed.

Tips for Filling Out Form 1-131

To ensure the proper and efficient processing of your Form I-131 application, there are several tips to keep in mind. One of the biggest is to make sure you sign all the necessary places. 

Another important tip is to complete the form on a computer, if at all possible. This ensures you’re using the correct version of the form and allows you to easily correct any mistakes before printing out your completed form and mailing it off.

If you make a mistake on a paper form, you’ll have to start all over. This is because USCIS’s electronic scanners can’t process forms containing portions covered up with correction tape or fluid. The USCIS has a form filing tips page with more advice on completing its forms.

What Limitations Are There for Someone With TPS Traveling on Advance Parole?

If you have TPS or are applying for TPS, you shouldn’t travel outside the United States unless you first receive travel authorization. If you don’t have travel authorization, you may be unable to reenter the U.S.

In certain situations, it could take more than a year to approve your travel authorization. So the moment you know you’ll need to go overseas or think there’s a chance you may have to, it’s best to begin the travel authorization application process. If you want to have a rough idea of how long the USCIS might take to process your Form I-131, you can use the USCIS’s processing times online tool .

Another limitation is the length of time you can be outside the United States. The exact length of time can vary, but in most cases, the maximum amount of time you can expect to stay out of the United States and still return is one year. You may be able to extend this time by applying for a second Advance Parole while traveling with an approved Advance Parole that’s still valid. Just make sure you return to the United States before your designated period of Advance Parole expires.

Finally, if your TPS application is pending and you leave the country, you may miss important notifications about your application. It might also be difficult to schedule appointments like a biometrics appointment .

Continue reading and learning!

IITA HOSPITALITY

Hospitality and Travels Services

Travel Services

O UR SERVICES

Ticketing and Reservation

For help with Ticketing and Reservation Contact

Adebisi Esan – Email: [email protected] | Cell: 0805-5356703   Ext: 2863

1. When you are planning your travel, call or email your request indicating details of your travel plans to the Travel Services Unit. Try to be as precise as possible. You may even request options. Indicate dates, class of travel, airline preferences, etc. To ensure trouble-free travel and to get reasonable fares, please try to give at least 7 to 14 days notice of your plans. We know this is not always possible, but we urge you to do so wherever it is, and help us to also help you.

2. The Travel Officer will work out the itinerary and get back to you with the details, and this should include costs and conditions of travel. Normally, an itinerary will be worked out for you keeping in mind that the travel should be on the most economical and direct route. At the same time, itinerary must be passenger friendly, and therefore least tiring and time consuming. On the basis of discussion with the agent, they might even want to protect a booking and go ahead with the reservation.

3. On receipt of feedback your itinerary will be finalized and you may now request the Travel Officer to proceed with reservations, if this has not already been done. Confirmation by phone/e-mail is enough at this stage.

4. Confirm the booking by following up with a completed Travel Authorization (TA) form. This should be sent to the Travel office for verification, recording and immediate authorization to the airline or the agent, to issue ticket. This is IITA’s authorization to the agent to commit funds. Please note that ticket may not be issued without an approved TA, except in emergency circumstances.

5. A Reservation not ticketed within certain period is automatically cancelled by the airline. Please remember this and ensure your TA is sent early enough to beat the airline deadline.

6. All Prepaid Ticket Advice (PTA) reservations should be accompanied by passenger’s address and telephone contact, and must be done in good time (at least two weeks prior to departure and preferably earlier) to be able to secure seats. Kindly note however, that PTAs are a lot more expensive and refund is difficult when ticket is not used. It is therefore advisable to request passengers to buy their tickets from the country of origin whenever possible and get reimbursement from IITA.

7. Ticket will be issued immediately on receipt of TA and normally ready for collection within three days from the date that TA is received by the agent.

Note: Sometimes the airlines require photocopies of the international passport biographical data section and the visa for country of destination(s) before ticket is issued.

8. The Travel Office will inform the traveller when ticket is ready for collection. In cases where travel arrangements have been made within a very short period of time, the ticket might have to be left at the Ikeja Guest House or taken to the airport to hand over either to the traveller or the airport representative.

9. If there is a cancellation, please notify the Travel Office as early as possible to avoid being charged for “No Show” by the airline.

10. Traveller or their representative should interact closely with the Travel Officer that is making the reservation to get the best service.

Travel Authorization processing

Adebisi Esan – Email: [email protected] | Cell: 0805-5356703

Please remember that the first step in planning official travel is to complete a Travel Authorization form, indicating purpose of travel, itinerary, visa request, transportation, accommodation reservation, budget code to charge, etc. The use of Travel Authorization is mandatory for all official travels of all IITA staff. Travel Authorization not approved by staff supervisor and budget officer will be returned unprocessed.

Upon cancellation of a trip, staff member is responsible for cancelling the TA and returning air tickets as soon as they know that such tickets can no longer be used.

Immigration services

A. Diplomatic/Re-entry visa/Residence Permit

Contact: Toye Olaniyan – Email: [email protected] | Cell: 08039791004

The Travel Office through the Ministry of Foreign Affairs and the Nigeria Immigration Service in Abuja processes diplomatic visas/residence permit for IITA internationally recruited staff and their dependents. Under normal circumstances, it takes about 2 weeks to renew/process a diplomatic visa. Travellers should therefore ensure that their passports reach the Travel Office on time, and should not expect to use it during the processing period.

B. Regularization of stay

The Travel Office handles regularization of stay of IITA research fellows/consultants with contract appointment of six months and above. The research fellow/consultant will be requested to provide a set of documents that will facilitate the processing, which takes up to four weeks.

All internationally recruited staff, research fellows and consultants have the responsibility to ensure that their visas, and those of their dependants are kept current.

C. Passport

Nigerian Passports & Economic Community of West African States (ECOWAS)

Contact: Josephine Akpodovhan – Email: [email protected] | Ext: 2390

Foreign Passports Contact: Joseph Onadele – Cell: 08039784019

The Travel Office assists with the processing of foreign, international Nigerian passports and ECOWAS permits. Travellers with valid passports should always ensure that there are still enough unused pages.

Please note that passport issue/renewal takes up to two weeks to process in some cases.

Contact: Funmi Oshikanlu – Cell: 0805-7421209

Always check with the Travel Office whether you require an entry visa for your destination. If so, you will be requested to submit necessary documents for the processing. Visa approval and issuance for some countries sometimes take up to four weeks. It is therefore, advisable to send in your request at least four weeks ahead, indicating budget code to charge for services.

Staff requiring any of these services will be requested to submit their passports and other documents to facilitate processing.

Airport pick-up

For Assistance Contact:

Hope Dial – Email: [email protected] | Ext. 2390

The Travel office co-ordinates a shuttle service between Ibadan campus, Ikeja Guest House (IGH), and Murtala Mohammed Airport Lagos. The purpose of operating the shuttle is to ensure that passengers arrive at the Airport in good time to complete departure formalities, to limit travel costs, and to provide security for lives and property in transit. The shuttle routinely leaves Ibadan campus at 3.00 p.m. and IGH at 7.30 a.m. and runs with a luggage van as a unit when necessary.

The following are the pick-up arrangements:

• Morning and mid-afternoon arrivals are met by Travel Services and conveyed to Ibadan same day subject to vehicle availability.
• Evening arrivals after 5.00 p.m. are met by Travel Services, conveyed to IGH to overnight, and to Ibadan by shuttle the next morning.
• The shuttle meets night arrivals, convey to IGH and to Ibadan campus along with evening arrivals the next morning.

Please inform us if you intend to make private transport arrangement in order to create room for others.

Transportation requests not backed by an approved Travel Authorization with official budget code will be charged to the personal account of staff concerned.

Airport assistance

For Airport Assistance contact:

Andrew Agbeso – Email: [email protected] | Cell: 08034035044

Sunday Akinsanya – Email: [email protected] | Cell: 08033615008

Moses Gbadebo – Cell: 08039784427

Assistance through immigration and customs formalities is provided at the MM Airport by Travel Office staff and sometimes with some help from the Travel Agents’ representatives. Request for this assistance should be sent to the Travel Office, in writing, indicating flight date and number as well as time of departure/arrival. Whenever a passenger opts to make private transportation arrangements, it should be appreciated that Travel Services may not be able to assure departure/arrival formalities as the airport representative may be busy elsewhere. In any emergency situation while in transit, please contact us through the following telephone numbers: 0803-402-3913 (IGH day & night phone); 0803-403-5044; 0803-361-5008 and 02-2412626 extensions 2390 or 2388.

Overnight accommodation reservation

Contact: Abibat Odje – Cell: 08034023913

Please inform the Travel Office of your overnight accommodation requirement while in transit between Ibadan and the Airport. Upon request, we will reserve accommodation for you at the Ikeja Guest House, or when fully booked, at a hotel close by IGH. Guests are sometimes required to share rooms when the house is full.

Lagos mail delivery service

IITA Ibadan – Contact: Hope Diai – Ext. 2388, 2390

Ikeja Guest House – Contact: Abibat Odje – Cell: 08034023913

The Ikeja Guest House Manager should be informed prior to delivery of official letters and parcels at IGH for sending through the shuttle for safety reasons. Letters and parcels must be properly addressed and budget code to charge for delivery written on the top right hand corner of the envelope.

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I-131, Application for Travel Document

ALERT: On Jan. 31, 2024, we published a  final rule in the Federal Register, that adjusts the fees required for most immigration applications and petitions. The new fees will be effective April 1, 2024.

Applications and petitions postmarked on or after April 1, 2024, must include the new fees or we will not accept them.

What to Know About Sending Us Your Form

The new filing fee is effective for filings postmarked April 1, 2024, and later. If you are filing an acceptable prior form edition on or after April 1, 2024, you must include the new filing fee.

Alert:  Beginning July 1, 2022, we will issue a new travel authorization document to Temporary Protected Status (TPS) beneficiaries: Form I-512T, Authorization for Travel by a Noncitizen to the United States, at our discretion if we find the beneficiary merits this authorization. We will no longer issue advance parole documents as evidence of our prior authorization for a TPS beneficiary to be permitted to reenter the United States if the beneficiary travels outside the United States.

Beginning July 1, 2022, we will issue a new travel authorization document to Temporary Protected Status (TPS) beneficiaries: Form I-512T, Authorization for Travel by a Noncitizen to the United States, at our discretion if we find the beneficiary merits this authorization. We will no longer issue advance parole documents as evidence of our prior authorization for a TPS beneficiary to be permitted to reenter the United States if the beneficiary travels outside the United States.

If you are a TPS beneficiary with an existing, unexpired advance parole document, you may continue to travel and seek reentry to the United States after a trip outside the United States through the period of validity printed on your advance parole document.

If you are a TPS beneficiary applying for a new travel authorization document, you should continue to use Form I-131, Application for Travel Document. If you have a pending Form I-131, you do not need to file a new application.

We will continue to issue advance parole documents to noncitizens with pending initial applications for TPS (Form I-821).

TPS beneficiaries and individuals with pending initial TPS applications should carefully read the Form I-131 Instructions which contain warnings about certain risks an individual may face if they are outside of the United States while USCIS is considering their TPS reregistration or initial application, such as missing important request for evidence or other notices or being denied TPS while outside the United States.

ALERT: Court decisions regarding DACA.

On Sept. 13, 2023, the U.S. District Court for the Southern District of Texas issued a decision finding the DACA Final Rule unlawful and expanding the original July 16, 2021, injunction and order of vacatur to cover the Final Rule. However, the court maintained a partial stay of the order for “all DACA recipients who received their initial DACA status prior to July 16, 2021.” See the Memorandum and Order (PDF, 1.35 MB)  and Supplemental Order of Injunction (PDF, 72.53 KB) .

Accordingly, current grants of DACA and related Employment Authorization Documents (EADs) remain valid until they expire, unless individually terminated.  In accordance with this decision, USCIS will continue to accept and process DACA renewal requests and accompanying applications for employment authorization under the DACA regulations at 8 CFR 236.22 and 236.23, as it has since October 31, 2022. We will also continue to accept initial DACA requests, but in accordance with the District Court’s order, we will not process initial DACA requests.

Current valid grants of DACA and related EADs will continue to be recognized as valid under the Final Rule. This means that individuals with DACA and related EADs do not have to submit a request for DACA or employment authorization until the appropriate time to seek renewal.

Please see the  DACA Litigation Information Page  for important updates and information related to court rulings on the DACA policy.

Use this form to apply for a reentry permit, refugee travel document, TPS travel authorization document, advance parole document (including parole into the United States for urgent humanitarian reasons or significant public benefit), or advance permission to travel for Commonwealth of the Northern Mariana Islands (CNMI) long-term residents.

For information on travel documents, including potential immigration-related consequences of traveling outside the United States, see our Travel Documents page. If you are in the United States and you have an urgent need to travel outside the United States, see our Expedite Requests page and  Emergency Travel  page.

If you file this form to request an Advance Parole Document authorizing you to seek parole in the United States when you return to the United States after temporary travel abroad, and you depart the United States before we issue your Advance Parole Document, we will consider your Form I-131 abandoned unless you were previously issued an Advance Parole Document that remains valid for the entire time you are outside the United States.

If you file this form to request an advance permission to travel for CNMI long-term residents document, and you leave the CNMI without having an advance permission to travel document, your status will automatically terminate.

File Online    

Form Details

Form I-131 (PDF, 451.87 KB)

Instructions for Form I-131 (PDF, 285.07 KB)

04/01/24 . Starting June 3, 2024, we will accept only the 04/01/24 edition. Until then, you can also use the 06/06/23 E edition. You can find the edition date at the bottom of the page on the form and instructions.

Dates are listed in mm/dd/yy format.

If you complete and print this form to mail it, make sure that the form edition date and page numbers are visible at the bottom of all pages and that all pages are from the same form edition. If any of the form’s pages are missing or are from a different form edition, we may reject your form.

If you need help downloading and printing forms, read our instructions . 

Please check our Filing Addresses for Form I-131  page for information on where to mail your application. Applications that are not submitted to the appropriate direct filing address may experience processing delays.

You can find the filing fee for Form I-131 by visiting our Fee Schedule page.  

The fee is effective for filings postmarked April 1, 2024, and later.

You can pay the fee with a money order, personal check, or cashier’s check, or pay by credit card or debit card using Form G-1450, Authorization for Credit Card Transactions . If you pay by check, you must make your check payable to the U.S. Department of Homeland Security.

When you send a payment, you agree to pay for a government service. Filing fees are final and non-refundable, regardless of any action we take on your application, petition, or request, or if you withdraw your request.  If you pay by credit card or debit card, you cannot later dispute the payment. Use our Fee Calculator to help determine your fee.

If you are submitting multiple forms, pay each filing fee separately. We are transitioning to electronically processing immigration benefit requests, which requires us to use multiple systems to process your package. We may reject your entire package if you submit a single, combined payment for multiple forms.

Payment if you file at a field office: You cannot pay fees with a money order or cashier’s check when filing at a field office. You can only pay with a personal check, debit card, credit card, or reloadable prepaid credit or debit card.

You do not need to pay an additional fee for Form I-131 if:

• You are filing Form I-131 Application Type B or D;
• You filed a Form I-485 with a fee on or after July 30, 2007, and before April 1, 2024; and
• Your Form I-485 is still pending.

For refugee travel document applications filed from outside of the United States, you must pay the applicable fee(s) to the cashier at the USCIS overseas office or U.S. embassy or consulate with jurisdiction over your location. Please see the website of the appropriate  embassy or consulate  to confirm acceptable forms of payment. Include the fee receipt from the U.S. embassy or consulate when you file your application package.

Please do not mail cash, personal checks or traveler’s checks. If you do not include a fee receipt with your filing, we will reject your application.

Please do not submit this checklist with your Form I-131. The checklist is an optional tool to use as you prepare your form, but does not replace statutory, regulatory, and form instruction requirements. We recommend that you review these requirements before completing and submitting your form. Do not send original documents unless specifically requested in the form instructions or applicable regulations.

If you submit any documents (copies or original documents, if requested) in a foreign language, you must include a full English translation along with a certification from the translator verifying that the translation is complete and accurate, and that they are competent to translate from the foreign language into English.

Read more information about the types of evidence that may be relevant to specific parole requests on our  Humanitarian Parole  page.

Complete all sections of the form. We will reject the form if these fields are missing:

• Family Name
• Physical Address
• Date of Birth
• 1.a. – 1.f.
• Family Name (If 1.f. selected)
• Physical Address (If 1.f. selected)

Filing Tips:  Review our  Tips for Filing Forms by Mail  page for information on how to ensure we will accept your form.

Don’t forget to sign your form. We will reject any unsigned form.

E-Notification: If you want to receive an e-mail and/or text message that we have accepted  your form at a USCIS lockbox, complete  Form G-1145, E-Notification of Application/Petition Acceptance , and clip it to the first page of your form.

• Re-Parole Process for Certain Ukrainian Citizens and Their Immediate Family Members  
• Re-Parole Process for Certain Afghans 
• Card Delivery Tracking
• Department of State: Photo Specifications
• Travel Documents

Digital travel authorizations: standardizing the electronic visa

O ver the last decade, a number of States began issuing online visas, often referred to as “eVisas”. This was carried out without the benefit of standardization, commonality, or definitions of what constitutes a travel authorization not physically issued in a passport booklet. Without standardization, it is nearly impossible for anyone outside of an issuing authority to verify non-physical eVisas.  Despite this, online visa notifications are increasingly presented to aircraft operators as emails and/or printouts that contain a myriad of datasets without security features that can be verified through an interoperable framework. In these situations, aircraft operators are unable to verify the eVisa as they carry out their document checks at the point of embarkation.

To address this, ICAO developed and defined a Digital Travel Authorization (DTA), which is intended to assist States and airlines in this situation. The DTA specification provides a step-by-step framework for issuing an electronic notification containing a 2D barcode that can be easily read and verified, enabling both data capture and verification of integrity in one transaction. The DTA can be used in both digital and physical formats, meaning it can be presented on a smart device or on a printed piece of paper with the same security and results.

Additionally, ICAO’s specification and guidance for the DTA encourages States to take advantage of automation for the steps associated with the travel authorization processes, including the continuum from application through airline verification to border inspection or acceptance.

Automating these steps, particularly the application and materials submissions, expedites the pre-vetting and eligibility decisions to allow an applicant to travel. This reduces the burden on both the issuing authority as well as the applicant, using an online approach for submissions; while providing an efficient method for applicants, governments, and airlines to verify the acceptance for travel. Importantly, the DTA standardizes the data set that is collected for each traveller, regardless of the issuing State. This provides a critical advantage to the aircraft operator since it can harmonize its method of verifying DTA barcodes.

Traditionally, the visa sticker has been glued in a passport as a foil-type travel document, to provide a physical travel authorization. To support States and aircraft operators in checking visas, ICAO standardized the visa document in Part 7 of ICAO Doc 9303, Machine Readable Travel Documents (MRTDs) thereby creating specifications for Machine Readable Visas (MRVs).

The issuance of a standardized visa assists aircraft operators in taking necessary precautions during the document check prior to boarding. Instead of investing in MRVs, however, a number of States began issuing eVisas without first agreeing on a method of standardization. The last decade has seen a proliferation of such visas. States implement such solutions to save costs and achieve efficiencies, since almost all involved processes are online and do not require a consular appearance by the traveller. The problem remains that these “eVisas” are not based on an interoperable framework, which creates a burden on the middleman – the aircraft operator – who is obliged to conduct pre-departure checks to determine if a passenger is in possession of the document prescribed by the States of transit and destination.

The DTA deploys a specific type of VDS used for non-constrained environments or VDS-NC. Since the VDS-NC barcode can be larger, or non-constrained, there is room to store not only the dataset on the 2D barcode, but also the digital signature. This approach provides the following advantages:

• Security: Even though the cost of issuing a VDS-NC based document is very low, it is very difficult to fake or forge the DTA. Since the barcode signer is on the VDS-NC, only the root of the trust certificate is required to verify the DTA. Of particular importance, the DTA can be presented in both a physical form, as printed from the authorization document of the issuer as well as a digital form on, for example, a smartphone.
• Personalization: Each digital seal verifies the information printed on the physical document, and is therefore tied to the document holder. There is no direct equivalent to a blank document, therefore no blanks can be lost or stolen.
• Easy verification : Even untrained persons are able to verify a document protected with a digital seal by using low-cost equipment, such as a basic barcode reader or an application on a smartphone. Moreover, due to the binary nature of a digital signature, distinguishing between authentic and forged documents is straightforward.

The DTA process defined by ICAO Doc 9303 covers all of the steps included in a sound visa/travel authorization programme, including the ability to submit supporting materials online. Using specified formats, the issuing authority has available globally interoperable, standardized terminology and the ability to assess the eligibility of the applicant.

The VDS contains the barcode signer certificate, a certificate containing information identifying the entity that signed the VDS on a DTA, as well as the public key corresponding to the private key with which the signature was created.

The barcode certificate can be created with a distinct profile for the DTA, meaning the VDS on DTAs are issued in a way that allows verification by the Country Signing Certificate Authority (CSCA) certificates. This enables a State to re-deploy its Public/Private Key Infrastructure to not only accommodate eMRTD issuance, but also of DTAs.

Public Key Distribution – the role of the ICAO Public Key Directory

The ICAO Public Key Directory (PKD) is a central repository for exchanging the information required to authenticate eMRTDs such as ePassports, electronic ID cards and 2D barcodes in VDS format. To verify a DTA, including a VDS formatted 2D barcode, any verifying entity will need to have access to the root of trust certificate, referred to as the CSCA certificate in ICAO terminology. For the DTA, this is a fairly simple process for a State, since the State is both the issuing and verifying entity in one, meaning it is already in possession of its CSCA. However, for an aircraft operator or a ground handling agent to conduct verification it will need to gain access to the issuing State’s root of trust – the CSCA – to prepare the DTA check.

The ICAO PKD provides access to the trust certificates to all ICAO Member States free-of-charge. This access has now been extended to private sector entities – such as aircraft operators – through a pilot project. Within this pilot project, authorized entities are permitted to use PKD data obtained from the public PKD data and Master List download website . Commercial use of the ICAO PKD will enable widespread verification of the DTA in the aviation environment.

The use of standardized DTAs will save aircraft operators human and financial resources currently being expended to validate non-standadized and non-harmonized “eVisas”. Implementation of the DTA will solve long-standing issues associated with online visa issuance. The DTA provides a globally interoperable model for issuing authorities to adopt and enables a framework for the aviation industry to verify electronically issued travel authorizations before departure.

About the authors 

Barry Kefauver is a senior-level executive with 30 years of U.S. Government experience, Mr. Kefauver is Principal of his own consulting firm, Fall Hill Associates, LLC after serving as Deputy Assistant Secretary of State, Passport Services, at the U.S. Department of State. Mr. Kefauver Mr. Kefauver ‘s background provides in-depth knowledge of identity management programs and secure document production systems, with emphasis on border control, security and management. He has chaired many international fora, including the International Civil Aviation Organization ICAO Work Group on New Technologies  (NTWG), as well as within the International Standards Organization (ISO), with the goal of developing world standards for identity and biometric measurement and machine verification of domestic and international documents. Amongst numerous other contributions, Mr. Kefauver was the main developer of ICAO Doc 9303, Part 7 on Machine Readable Visas and also authored the Technical Report on Digital Travel Authorizations (DTA).

Christopher Hornek is a subject matter expert for ICAO Annex 9 and a passenger data exchange expert, Mr. Hornek has served as Secretary of the ICAO Passenger Name Record (PNR) Data Task Force. Before joining ICAO, Mr. Hornek worked for the International Air Transport Association (IATA) as a Facilitation Manager, and was the Secretary of the IATA/Control Authorities Working Group (CAWG) and served with the Organization for Security and Co-operation in Europe (OSCE).

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No Country Left Behind: ICAO’s capacity building event in Grenada

This is how we bolster aviation security in the face of cybersecurity threats

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• Per Diem Lookup

Official Travel Authorization

• Title: Official Travel Authorization
• Form #: GSA87
• Current Revision Date: 01/2020
• Authority or Regulation:

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PER DIEM LOOK-UP

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• > User Manual

Self Service Portal Help

• 1.1 Portal Login
• 1.2 Portal Authentication and Login out
• 1.3 Portal Navigation
• 2 Leave Module
• 2.1 Applying for Leave
• 2.2 Leave Applications / Your Leave History
• 2.3 Leave Balances
• 2.4 Leave Recall
• 3.1 Accessing Payslip
• 3.2 Previewing Payslip
• 4 Approval Management
• 4.1 Approval entries display

User should write/ copy aside url to their favourite browser : http://selfservice.iita.org

On loggin on the portal url, the user lands on a page like below image.

Portal Login Credentials

To access portal modules the user should enter their access credentias as shown below

Successful Authentication and Login out

Upon successful authentication the user lands on their profile as show below. Upon completing tasks on the portal the user should log out for security reasons. To log out click the logout button on the top right-hand corner as illustrated below.

Portal Navigation

The portal utilizes an expandable menu navigation for every active module. Initially all module top level menu items are Collapsed .

To interact with module items click the top level menu item to expand the menu, as illustrated on the image below

Leave Module

Leave application.

1. Expand the leave module menu as shown on navigation section and click on NEW LEAVE menu item, displays a form like below.

2. Select a leave type as shown below.

3. Select Leave starting date by clicking on the date picker provided, as shown below.

At this stage the inactive form fields under leave balances section should be auto filled according.

4. Fill in Number of days you are taking the leave for, finally select an individual who should take over your duties while you are on leave.

5. Send Leave application to supervisor for approval

Upon a successful leave application, you must send the leave application for approval.

There are two methods with which you can send a leave application to supervisor for approval

Method I : Use the Send for approval button on the success dialog that shows upon a successful leave application or leave application update. as shown below:

Method II : expand the leave module menu, navigate to Leave Applications and check for a leave with a "send for approval" button and click on it to send the leave for approval.

If a leave is successfully sent for approval, below is a screenshot of what you should see on the screen regardless of the method used.

Leave History / Your Leave Applications

To view your leave application history Expand Leave Management Module Menu and click leave applications, as illustrated below.

Leave Balances

To view leave balances , expand the Leave management module menu and click on leave balances Menu to view your leave balances for various leave types which you are eligible to apply.

Leave Recall

This functionality calls back from leave for days you are required back to work and it also credits back those recalled days to your leave balances.

To access this functionality, Expand Leave Management Module Menu and click Leave Recall menu as shown below:

Leave Recall Form

To recall a leave , click the Recall Leave button and get to the form below, and follow the steps illustrated in the following image to successfully recall a leave.

• Step 1: These two fields are auto-filled on page load.
• Step 2: Select a leave type you want to recall.
• Step 3: Input days you want to recall - observe below criteria
• Number of days has to be less than days applied for that particular leave.
• Step 4: Input when the recall should begin ot take effect. This field is activated after step 3 is passed and should be between start and end date of selected leave in step 2.
• Step 5: Input a reason for the recall
• Step 6: A submit button appears when you insert a reason for recall, use this button to submit a leave recall and the process is complete.

Accesing Payslip Module

To access your payslip, expand the payslip module as shown in below image.

Previewing Payslip

To preview your payslip, click the Payslip Request link within the payslip menu to navigate to a page like shown below.

• Use the date picker on the page illustrated above to select a month.
• Click the Preview Payslip button to view your payslip.

Approval Management

To approve or reject any requests navigate to Approval management menu as shown in the screenshot below.

For each approval entry, you can use the Approve or Reject link to make an approval decision, appropriate messages are sent to request sender and the supervisor.

• --> Travel request --> Apply Loan --> Loan Status -->