# Portugal - [What does becoming a resident mean?](https://help.baseflow.io/portugal/what-does-becoming-a-resident-mean.md) - [Process Overview](https://help.baseflow.io/portugal/process-overview.md) - [Tax ID number (NIF)](https://help.baseflow.io/portugal/tax-id-number-nif.md) - [Opening a bank account](https://help.baseflow.io/portugal/opening-a-bank-account.md) - [Residency Certificate](https://help.baseflow.io/portugal/residency-certificate.md) - [Visa for non-EU citizens](https://help.baseflow.io/portugal/visa-for-non-eu-citizens.md) - [D7 Visa explained](https://help.baseflow.io/portugal/visa-for-non-eu-citizens/d7-visa-explained.md) - [General Visa Requirements For The D7 Visa](https://help.baseflow.io/portugal/visa-for-non-eu-citizens/general-visa-requirements-for-the-d7-visa.md) - [Passive Income Requirements](https://help.baseflow.io/portugal/visa-for-non-eu-citizens/passive-income-requirements.md) - [Required Documents For The D7 Visa Application Process](https://help.baseflow.io/portugal/visa-for-non-eu-citizens/required-documents-for-the-d7-visa-application-process.md) - [Step by step Visa Application Process](https://help.baseflow.io/portugal/visa-for-non-eu-citizens/step-by-step-visa-application-process.md) - [General Time Frame For The D7 Visa And D7 Residency Permit](https://help.baseflow.io/portugal/visa-for-non-eu-citizens/general-time-frame-for-the-d7-visa-and-d7-residency-permit.md) - [Non-Habitual-Resident (NHR) Special Tax Regime](https://help.baseflow.io/portugal/non-habitual-resident-nhr-special-tax-regime.md) - [Proof of Address](https://help.baseflow.io/portugal/proof-of-address.md): Guidelines to submit your proof of residential adddress - [Guide to freelancing in Portugal](https://help.baseflow.io/portugal/guide-to-freelancing-in-portugal.md): Become a so-called trabalhador independente - [Green Receipts Invoice System](https://help.baseflow.io/portugal/guide-to-freelancing-in-portugal/green-receipts-invoice-system.md): What are Recibos Verdes in Portugal? - [Freelancing under NHR](https://help.baseflow.io/portugal/guide-to-freelancing-in-portugal/freelancing-under-nhr.md) - [Income Tax for Freelancers](https://help.baseflow.io/portugal/guide-to-freelancing-in-portugal/income-tax-for-freelancers.md) - [VAT (IVA) as a Freelancer in Portugal](https://help.baseflow.io/portugal/guide-to-freelancing-in-portugal/vat-iva-as-a-freelancer-in-portugal.md) - [Social Security Contribution as a Freelancer in Portugal](https://help.baseflow.io/portugal/guide-to-freelancing-in-portugal/social-security-contribution-as-a-freelancer-in-portugal.md) - [For Spanish residents](https://help.baseflow.io/portugal/for-spanish-residents.md): What to do to stop being a legal and tax resident in Spain (after you move to Portugal) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.baseflow.io/portugal.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.