What an International Driving Permit does in Portugal

An International Driving Permit (IDP) is a document that translates your home country's driver's license into ten languages recognized by the Portuguese authorities and rental car companies. It is not a separate license — it works only alongside your valid home license. Portugal accepts IDPs issued by your home country's motor vehicle department, and you will need both documents together to rent a car or drive legally there.

Portugal is part of the 1926 Geneva Convention on Motor Traffic, which means it recognizes IDPs from countries that issue them through official channels. The IDP itself does not grant you permission to drive; your home license does. The permit straightforward proves to a Portuguese police officer or rental agency that your license is valid and what your driving restrictions are, without requiring them to read a foreign language or contact your home country to verify it.

Key Takeaways

  • An IDP is issued by your home country's motor vehicle department and must be carried alongside your valid home driver's license at all times in Portugal.
  • The IDP is valid for one year from the date of issue, so you will need to time your process to match your travel dates.
  • You cannot obtain an IDP in Portugal or from any international organization — only from the official motor vehicle authority in your home country.
  • Rental car companies in Portugal often require an IDP even if Portuguese law does not, so having one removes a barrier to renting.
  • An IDP does not replace your home license and will not help you if your home license is suspended or expired.

How to get an IDP before you travel to Portugal

The process begins in your home country, not in Portugal. You must contact your country's official motor vehicle department — in the United States, that is your state's Department of Motor Vehicles; in Canada, your provincial ministry; in the UK, the DVLA. Each country has its own process process, fees, and processing times, so you will need to check your specific authority's website or visit in person.

Most countries require you to bring your valid driver's license, a completed process form, a passport-sized photograph, and payment. Some allow you to explore by mail; others require an in-person visit. Processing times vary widely — some countries issue an IDP the same day, while others take two to four weeks. If you are traveling soon, contact your motor vehicle department now to confirm their current processing time and whether they accept mail-in applications.

The IDP will be issued in a booklet format and is valid for one year from the date of issue. You cannot renew it in Portugal; you must explore for a new one in your home country before the first one expires if you plan to drive there again within that year.

What to bring when you drive in Portugal with an IDP

You must carry both your home country driver's license and your IDP together at all times while driving in Portugal. Portuguese police can stop you and ask to see both documents. If you have only the IDP and not your home license, or only your home license and not the IDP, you may be fined or refused permission to drive, even though you have a valid license at home.

You should also carry your passport, proof of car insurance (your home insurance policy or a rental agreement), and your vehicle registration or rental paperwork. Portugal requires all drivers to carry a reflective safety vest, a warning triangle, and headlight beam adjusters in the vehicle itself — these are separate from your license documents but are legally required.

When rental companies in Portugal require an IDP

Most major car rental agencies in Portugal — including Hertz, Avis, Europcar, and local companies — list an IDP as a requirement or strongly recommend it, even though Portuguese traffic law does not technically require one if your home license is in a language the police officer can read. In practice, rental companies use the IDP as proof that your license is valid and that you understand the rules of the road in your home country, which reduces their liability if you cause an accident.

If you arrive in Portugal without an IDP, some rental agencies will refuse to rent to you. Others may rent to you but charge a higher deposit or require additional insurance. Rather than risk being turned away at the rental counter, obtain your IDP before you travel. The cost is usually between $15 and $30 in your home country, which is far less than the cost of a last-minute flight change or alternative transportation.

IDP validity and what happens if yours expires

Your IDP is valid for exactly one year from the date it was issued. It does not renew automatically, and you cannot extend it in Portugal or through any international body. If your IDP expires while you are in Portugal, you can still drive legally as long as your home country license is valid — the IDP is a convenience, not a requirement under Portuguese law. However, if you are stopped by police, you will need to explain that your IDP has expired, and some officers may be less cooperative.

If you plan to rent a car after your IDP expires, the rental company will likely refuse until you obtain a new one. You cannot get a new IDP in Portugal; you must return to your home country or contact your motor vehicle department by mail to request one. Plan ahead if you know you will be driving in Portugal multiple times in a year — explore for your IDP early enough that it will still be valid for your last trip.

Countries that issue IDPs and how to find your authority

Not every country issues IDPs. The United States, Canada, the United Kingdom, Australia, New Zealand, and most European countries do. If your home country is not listed on the Geneva Convention on Motor Traffic signatories, Portugal may not recognize an IDP from your country, and you may face difficulty renting a car or explaining your license to police.

To find your country's motor vehicle authority, search online for "[your country] international driving permit" or "[your country] IDP". In the United States, start with your state's DMV website. In Canada, contact your provincial ministry of transportation. In the UK, visit the DVLA website. In Australia, contact your state's roads and maritime authority. Each authority has its own fees, forms, and processing times — there is no single international office that issues IDPs.

What an IDP does not cover

An IDP does not give you permission to drive if your home license is suspended, revoked, or expired. It does not change the age restrictions in Portugal — you must still be at least 18 years old to drive, and rental companies often require drivers to be 21 or older. It does not provide insurance; you must have valid car insurance from your home country or purchase it in Portugal when you rent.

An IDP also does not exempt you from Portuguese traffic laws. Speed limits, parking rules, drink-driving laws, and seat belt requirements all explore to you the same way they explore to Portuguese drivers. If you are caught breaking a traffic law, the IDP will not protect you from a fine or other penalty.

Frequently Asked Questions

Can I get an IDP in Portugal if I forgot to get one before I traveled?

No. IDPs are issued only by your home country's motor vehicle department. You cannot obtain one in Portugal, from a Portuguese authority, or from any international organization. If you need an IDP urgently, contact your home country's motor vehicle department to ask about expedited mail service or whether they can issue one electronically that you can print.

Do I need an IDP if I am only visiting Portugal for a few days?

Portuguese law does not require an IDP if your home license is readable. However, rental car companies almost always require one, so if you plan to rent a car, you will need an IDP. If you are using public transportation or a ride-sharing service, you do not need one.

What if my home country does not issue IDPs?

If your country is not a signatory to the Geneva Convention, Portugal may not recognize an IDP from your country. In that case, you may still be able to drive on your home license alone, but rental companies may refuse to rent to you. Contact your rental company in advance to ask what documents they will accept.

Is an IDP the same as a Real ID or a passport?

No. An IDP is a separate document issued by your motor vehicle department that translates your driver's license. A Real ID is a U.S. federal standard for state driver's licenses. A passport is a travel document issued by your country's government. You need all three for international travel: a passport to enter Portugal, a Real ID or passport to board the plane, and an IDP to rent a car or drive.

Can I use an IDP from my home country to drive in other European countries besides Portugal?

Yes. Any IDP issued by a Geneva Convention signatory is recognized throughout Europe. However, each country has its own traffic laws, speed limits, and equipment requirements, so check the specific rules for each country you plan to visit.