
A valid ID is required for airport check-ins to confirm the traveller's identity. While the specific requirements may vary depending on the location and type of travel, it is generally recommended to carry a government-issued photo ID that is not expired. In the United States, the Transportation Security Administration (TSA) requires adult passengers aged 18 and above to present valid identification, such as a driver's license, a state-issued photo ID card, a U.S. passport, or a DHS trusted traveller card. The TSA will start enforcing the requirement for state-issued IDs to be REAL ID-compliant starting May 7, 2025. In the Philippines, specific airlines like Philippine Airlines, AirAsia, and Cebu Pacific Airlines have their own accepted valid IDs. It is important to note that a Taxpayer Identification Number (TIN) is not considered a form of identification for airport check-ins, as it is used for tax administration purposes.
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What You'll Learn
- A Taxpayer Identification Number (TIN) is not a valid form of ID for airport security
- REAL ID compliance is required for US state-issued IDs and licenses for domestic air travel from May 7, 2025
- TSA accepts expired IDs for up to a year after expiration
- Digital photos of IDs are sometimes accepted at airport security
- It is recommended to carry multiple forms of government-issued ID when travelling

A Taxpayer Identification Number (TIN) is not a valid form of ID for airport security
A valid ID is required to confirm your identity at the airport and ensure that you are the person named on the ticket. While a Taxpayer Identification Number (TIN) is a form of identification, it is not considered a valid ID for airport security. Here are some key points to note:
- Nature of a TIN: A TIN is an identification number used by the Internal Revenue Service (IRS) for tax administration. It is issued by the Social Security Administration (SSA) or the IRS. TINs are necessary for tax-related purposes, such as filing tax returns and claiming treaty benefits. However, they are not intended as a form of personal identification for travel or security purposes.
- Acceptable IDs at Airports: Airport security, such as the Transportation Security Administration (TSA) in the United States, typically requires a government-issued ID with a photograph, such as a driver's license, state photo identity card, or passport. In the U.S., the TSA also accepts other forms of ID, including DHS trusted traveler cards, U.S. Department of Defense IDs, and certain Tribal Nation/Indian Tribe-issued IDs. It's important to check with the relevant authorities or government websites for specific requirements and accepted forms of identification.
- International Travel: When travelling internationally, a passport is typically required as a primary form of identification. Some countries may have specific requirements or alternatives, but a valid passport is generally the most widely accepted form of ID for international air travel.
- Domestic Travel: For domestic flights, the requirements may vary by country and airline. In some cases, a driver's license or other government-issued photo ID may be sufficient. It is always advisable to carry a valid passport as well, as it is universally accepted and can help prevent delays or issues with other forms of identification.
- Digital IDs: In certain cases, digital or scanned copies of IDs may be accepted at airport security. However, this is not a standard practice, and it is always best to carry your physical ID to avoid any potential issues.
In summary, while a TIN is a form of identification for tax purposes, it is not intended as a valid form of ID for airport security. When travelling, it is essential to carry accepted forms of identification, such as a passport, driver's license, or other government-issued photo ID, to ensure a smooth and hassle-free experience.
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REAL ID compliance is required for US state-issued IDs and licenses for domestic air travel from May 7, 2025
As of May 7, 2025, all travelers flying within the United States must present a REAL ID-compliant state-issued driver's license or identification card at airport security checkpoints. This is in accordance with the REAL ID Act, passed by Congress in 2005, to enhance security standards for identification in response to the security vulnerabilities highlighted by the 9/11 attacks.
A REAL ID-compliant license or card will meet the security requirements established by the Act. This rule only applies to domestic flights within the US and does not affect international travel. It is important to note that a Taxpayer Identification Number (TIN) is not a valid form of ID for air travel. A TIN is an identification number used by the Internal Revenue Service (IRS) in the administration of tax laws. It is issued either by the Social Security Administration (SSA) or by the IRS. An Individual Taxpayer Identification Number (ITIN) is a specific type of TIN that is only available for certain nonresident and resident aliens, their spouses, and dependents who cannot obtain a Social Security Number (SSN). To obtain an ITIN, individuals must complete IRS Form W-7 and submit documentation substantiating their foreign/alien status and true identity.
If you are unsure whether your ID complies with REAL ID standards, you should check with your state department of motor vehicles. The TSA has provided an online tool to help travelers determine if they are REAL ID-ready. It is important to plan ahead and obtain a compliant ID or an acceptable alternative form of identification before the deadline to avoid delays at airport security.
Acceptable alternative forms of identification for domestic air travel include a U.S. passport, U.S. passport card, DHS trusted traveler cards (Global Entry, NEXUS, SENTRI, FAST), a U.S. Department of Defense ID, an acceptable photo ID issued by a federally recognized Tribal Nation/Indian Tribe (including Enhanced Tribal Cards), and a U.S. Citizenship and Immigration Services Employment Authorization Card (I-766).
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TSA accepts expired IDs for up to a year after expiration
The Transportation Security Administration (TSA) requires adult passengers aged 18 and above to show valid identification at the airport checkpoint to be allowed to travel. This includes a valid ID that has not expired or has expired within a year. A REAL ID-compliant state-issued ID or license will be required for air travel within the US starting May 7, 2025. If you are unsure whether your ID complies with REAL ID, you can check with your state department of motor vehicles.
The TSA accepts various forms of ID, including a U.S. passport, U.S. passport card, DHS trusted traveler cards (Global Entry, NEXUS, SENTRI, FAST), U.S. Department of Defense ID, an acceptable photo ID issued by a federally recognized Tribal Nation/Indian Tribe (including Enhanced Tribal Cards), and a U.S. Citizenship and Immigration Services Employment Authorization Card (I-766).
It's important to note that the TSA has been inconsistent in accepting state-issued driver's licenses or IDs, and undocumented immigrants travelling with non-REAL ID-compliant identification should exercise caution. Additionally, a temporary driver's license is not considered a valid form of identification by the TSA.
While the TSA may accept expired IDs up to a year after their expiration date, it's always best to ensure your identification is up to date to avoid any potential issues during your travel.
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Digital photos of IDs are sometimes accepted at airport security
It is essential to carry a valid ID when travelling to confirm your identity at the airport. While some countries, like the Philippines, require passengers to carry a government-issued ID, others like the US, accept IDs issued by federally-recognized Tribal Nations/Indian Tribes. In the US, adult passengers (18 and older) must show valid identification at the airport checkpoint to be allowed to travel.
A Taxpayer Identification Number (TIN) is an identification number used by the Internal Revenue Service (IRS) for tax administration. A Social Security Number (SSN) is issued by the Social Security Administration (SSA), while all other TINs are issued by the IRS. An Employer Identification Number (EIN) is a federal tax identification number used to identify a business entity. Estates and trusts with income that must be reported on Form 1041 also use EIN.
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It is recommended to carry multiple forms of government-issued ID when travelling
Carrying multiple forms of government-issued identification is recommended when travelling, as it can help to ensure a smooth and stress-free experience. While a single form of ID is often sufficient for domestic travel, having multiple forms can be a useful precaution in case one is lost, stolen, or damaged. Additionally, certain forms of ID may be more widely recognised or accepted than others, so having a backup can help to avoid potential issues or delays during security checks and boarding procedures.
For travel within the United States, adult passengers aged 18 and above must present a valid ID at the airport checkpoint. A driver's license is the most common form of identification and is accepted by the Transportation Security Administration (TSA) for domestic flights. However, it is important to note that, beginning May 7, 2025, state-issued IDs and licenses used for air travel within the U.S. must be REAL ID-compliant. This means that if your driver's license is not REAL ID-compliant, you may need to present an alternative form of identification, such as a U.S. passport, passport card, or a DHS trusted traveller card (Global Entry, NEXUS, SENTRI, FAST).
In some countries, such as the Philippines, it is recommended to have multiple forms of valid government-issued ID when travelling, as airport and airline personnel may request additional identification as they deem necessary. For example, a Philippine passport is a valid form of identification, but it is important to ensure that it is not expired, as this may cause delays during check-in. In certain cases, a digital photo or a printed copy of a national ID may be accepted, but it is always best to have a physical copy of your ID to avoid any potential issues.
While the specific requirements may vary depending on your location and destination, it is generally advisable to carry multiple forms of government-issued ID when travelling. This can include passports, driver's licenses, state-issued photo ID cards, or other forms of identification recognised by the relevant authorities. By having multiple forms of ID, you can reduce the risk of encountering issues during security checks and ensure a smoother travel experience overall.
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Frequently asked questions
A TIN ID, or Taxpayer Identification Number, is not a valid form of identification for airport security checks. The TSA requires adult passengers to present a valid photo ID, such as a driver's license, state-issued ID card, or passport.
Acceptable forms of identification for airport security checks in the US include:
- Driver's license
- State-issued ID card
- U.S. passport
- DHS trusted traveler cards (Global Entry, NEXUS, SENTRI, FAST)
- U.S. Department of Defense ID
- Photo ID issued by a federally recognized Tribal Nation/Indian Tribe, including Enhanced Tribal Cards (ETCs)
- U.S. Citizenship and Immigration Services Employment Authorization Card (I-766)
- U.S. Merchant Mariner Credential
It is not recommended to rely solely on a digital photo of your ID for airport security checks. While some airports may accept digital IDs, it is always best to have a physical form of identification on hand to avoid any potential issues or delays.



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