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🇵🇹 Portugal · mandate news

Portugal e-invoicing news and updates

Every Portugal e-invoicing change we have recorded — 2 updates, newest first, each one cited. Regulator: AT (Autoridade Tributária e Aduaneira). Last change logged 13 Oct 2026.

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Portugal: draft 2027 budget would keep PDF invoices valid through 2027 and defer SAF-T Accounting

The draft 2027 State Budget proposes keeping PDF invoices valid as electronic invoices through 31 December 2027, and deferring annual SAF-T Accounting submission to periods beginning in 2028. Both remain proposals pending parliamentary approval, so the current legal baseline still stands. If adopted this would be the latest in a long series of Portuguese deferrals — the qualified electronic signature requirement alone has moved repeatedly. The durable read is unchanged: ATCUD, QR codes, certified software and SAF-T invoicing reporting are all in force regardless, and moving to a structured format such as CIUS-PT remains the answer that survives the next postponement.

PortugalATCUDSAF-TCIUS-PTDeferredEU

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Portugal defers the qualified electronic signature requirement again — now 1 January 2027

Portugal's qualified electronic signature (QES) obligation for invoices is postponed through 31 December 2026, the latest in a series of deferrals. Until then PDF invoices keep the same legal standing as paper. The 2026 draft State Budget sets the requirement to take effect 1 January 2027, from which point B2B and B2C PDFs will need a QES unless the issuer moves to an accepted structured format such as CIUS-PT or an approved EDI arrangement. Everything else in the Portuguese regime already applies: invoices must come from AT-certified software and carry the ATCUD unique document code (mandatory since 1 January 2023) and a QR code, with data reported via SAF-T. Businesses that have deferred work on the strength of previous postponements should treat structured invoicing, not signature tooling, as the durable answer.

PortugalATCUDSAF-TCIUS-PTQESEU

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