The IRS return for people earning income on Portuguese soil is just around the corner. You have until February 25 to validate your invoices in order to benefit from the related tax advantages. IRS 2021, don't forget to validate your invoices The Portuguese system has a peculiarity in terms of IRS: every time you make an expense with your taxpayer number (food, health, clothing...) it goes directly into your finance portal and fills up certain limits which will then be deducted from your IRS. In this article, we'll explain...