Recursos do Microsoft 365 que ajudam os usuários a gerenciar suas assinaturas, configurações de conta e informações de cobrança.
Dear @João F. Amado,
Good day! Welcome to Microsoft Q&A forum!
Based on your description, I understand that you need guidance on obtaining specific tax documentation: a Microsoft Tax Residency Certificate and a completed and signed Model 21 RFI form in order to comply with the Portuguese Tax Authority’s requirements and avoid double taxation on services provided by Microsoft Ireland Operations Ltd.
Regarding this matter, please refer to Domic Vo's answer for the signed Model 21 RFI form.
About the Microsoft Tax Residency Certificate 2026, I'll send it to you via Private Message, please kindly check it there:
Please let me know if you need any additional information.
If the attached file is the one you need, kindly mark my answer in the post as accepted as it will be helpful for people with the same query.
Thank you for your patience and understanding.
If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.