Readiness wizard

Find the likely format, channel and checks for a transaction.

PT EN

Readiness wizard

Find the likely format, channel and checks for a transaction.

Processed in your browserNo file storage

Seller countryBuyer countryInvoice type

Results

Primary formatCIUS-PT, SAF-T(PT), QR / ATCUD

Formats and networksUBL, SAF-T

Official sourcesAutoridade Tributária e Aduaneira

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.

B2B. Technical checks do not guarantee acceptance by a tax authority or receiving platform.

Methodology

Readiness wizard · Portugal

Select supplier country, buyer country and transaction type to locate the relevant country system, format family and official authority. It is a routing aid, not a legal determination.

What the tool checks

Supplier jurisdiction
Buyer jurisdiction
B2B, B2G or B2C context
Official system and source

What it cannot confirm

Technical check only

Thresholds and implementation waves require authority confirmation
Cross-border tax treatment is outside this tool

Requirements Official sources