Implementation
CIUS-PT, SAF-T(PT), QR / ATCUD
Explore electronic invoicing formats, identifiers, rules, deadlines and free technical tools for Portugal.
Primary formatUBL, SAF-T
Official authorityAutoridade Tributária e Aduaneira
Current statusCIUS-PT, SAF-T(PT), QR / ATCUD
Last reviewed2026-08-02
Delivery modelTax reporting, certified billing software or structured exchange depending on transaction.
Mandate scopeElectronic invoice or transaction-reporting rules with country-specific technical requirements.