e-Fatura Portugal in English: How to Validate Invoices and Claim Deductions (2026)
e-Fatura is Portugal's electronic invoice tracking system. Every time you give your NIF (tax number) at a shop, pharmacy, or service provider, that invoice is automatically sent to e-Fatura. As a freelancer, you must log in regularly to validate and classify these invoices — otherwise you lose tax deductions and may face a higher tax bill. The entire portal is in Portuguese. This guide translates every step into English.
What is e-Fatura and why it matters for freelancers
How to access the e-Fatura portal
Navigating the portal: key pages in English
How to validate and classify your invoices
Personal vs professional expenses (critical for freelancers)
Expense categories explained in English
The 15% rule for the simplified regime
The February 25 deadline
Common mistakes expats make with e-Fatura
Monthly e-Fatura checklist
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