Since few years the IRS income tax declaration is entirely online in Portugal. The automatic IRS option is undoubtedly an option that greatly facilitates this obligation since it allows you to validate your declaration in a few clicks. If you want, you can trust fiscal authorities and let the declaration fill in automatically : you will just have to validate the declaration at the end of the process. Lisbob, the expatriate assistant in Portugal, tells you all about how to complete your automatic IRS tax return online, step by step. Because the sooner you validate and submit your return, the sooner you will receive a refund if you are entitled to it.