You could get in touch with the following office who can help you out in getting an International Driver License or to guide you to the correct location where you can get an International Driver License / Permit. Please make sure you have a valid Portugal driver license with you for getting an International Driver License or Permit. It was advised that you contact them through phone before approaching them in the office.

Instituto da Mobilidade e dos Transportes (IMTT)
Terrestres IP, Ave das Foras Armadas 40, 1649-022 Lisboa
Telephone : 217 949 000
Helpline : 808 502 020
Fax: 217 973 777
E-mail : imt@imt-ip.pt
Location Map : Map

Apply through EITA:
(There may be an additional cost involved with this process). Agent Disclaimer

1. Please use the following link to apply : Apply through EITA
2. You will be presented with plans that you can choose from.
3. Please select the appropriate plan that is suitable for you and click "Next" and follow the process to complete the application.
   
   

• Valid Portugal Driver License

Instituto da Mobilidade e dos Transportes (IMTT)
Terrestres IP, Ave das Foras Armadas 40, 1649-022 Lisboa
Telephone : 217 949 000
Helpline : 808 502 020
Fax: 217 973 777
E-mail : imt@imt-ip.pt
Location Map : Map

Provide eligibility criteria's for going through this procedure.

Explain the fees structure which is required for obtaining the certificate/document.

Explain the time until which the certificate/document is valid.
e.g. Birth Certificate Valid Forever

Please attach documents that can be used by people. e.g. links

Please attach sample completed documents that would help other people.

Please explain processing time taken in obtaining the document/certificate.

Videos explaining the procedure or to fill the applications. 
Attach videos using the following tag <&video type="website">video ID|width|height<&/video&> from external websites.
Please remove the "&" inside the tags during implementation.
Website = allocine, blip, dailymotion, facebook, gametrailers, googlevideo, html5, metacafe, myspace, revver, 
sevenload, viddler, vimeo, youku, youtube
width = 560, height = 340, Video ID = Can be obtained from the URL of webpage where the video is displayed.
e.g In the following url "http://www.youtube.com/watch?v=Y0US7oR_t3M" Video ID is "Y0US7oR_t3M". 
	

Please provide instructions on obtaining the certificate/documents.
e.g. The state office holds birth records since January 1908.

A list which displays the kind of information which is required to complete the procedure.
e.g.
1. Date of Birth.
2. City or County of Birth.

This procedure provides you information about how to obtain an International Driver License in Portugal.

Enter other informations which might help

Please explain what are other uses of obtaining this document/certificate.
e.g. Birth Certificate can be used as proof of identity.

Place some external links which might help

More information which might help people.