The official website of the Autoridade Tributária e Aduaneira (AT), the Portuguese Tax and Customs Authority. It provides comprehensive information and services related to taxes, customs, and other fiscal matters in Portugal. The site is designed to facilitate the interaction between the AT and the public, offering a wide range of online services, guidelines, and resources.
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Submit tax declarations and other fiscal documents online.
Pay taxes, fines, and other fees directly through the website.
Access to the latest tax and customs legislation and regulations.
Find answers to frequently asked questions about taxes and customs.
Contact details for various departments within the AT.
Stay informed with the latest news and updates from the AT.
Download necessary forms and documents for tax and customs purposes.
Detailed guidelines on various tax and customs procedures.
Get assistance through the online helpdesk for any queries.
Access to statistical data related to taxation and customs.
To ensure the correct application of tax and customs legislation, contributing to the economic and social development of Portugal.
To be recognized as a modern, efficient, and transparent institution, committed to the public interest and the promotion of voluntary compliance.
Integrity, Professionalism, Innovation, Proximity, and Responsibility.
The AT offers a wide range of services including tax collection, customs control, fiscal representation, and the fight against tax fraud and evasion.
The website is designed to be accessible to all users, including those with disabilities, in compliance with the Web Content Accessibility Guidelines (WCAG).
Security headers report is a very important part of user data protection. Learn more about http headers for at.gov.pt