When living in Portugal, it is common for us to be asked for proof of tax domicile or proof of address from the Portuguese tax authorities. This administrative approach has become over the years a mere formality thanks to new technologies. Indeed, it is now possible for any taxpayer, even a foreign expatriate, to request and receive a proof of tax residence that serves as proof of address in Portugal. This free document, which is obtained online, certifies your home in Portugal and can be requested on several occasions during your life of expatriate: to contract services or recurring services, to open a bank account, to make a loan or credit or to enroll his children in a Portuguese school. The majority of people use water or electricity bills as proof of address or proof of address, but the personal information on these documents means that some people simply prefer to provide proof of tax domicile. How to get a proof of Portuguese tax domicile ? How to request and receive proof of tax address in Portugal ? Lisbob, expats assistant in Portugal, tells you everything about how to have proof of residence in Portugal directly on the website of financas, in 9 steps.