If you invoice in Portugal, you must comply with the VAT Code and include specific mandatory fields.
Invoice number and date
Unique sequential number and issue date.
Supplier and customer NIF
Include tax IDs for both parties.
Item descriptions and quantities
Describe goods/services and list quantities.
VAT rates and amounts
Show VAT breakdown per rate.
Reason for VAT exemption
Include the legal basis when VAT is not charged.
Date of supply
Required for B2B invoices when different from the invoice date.
⚠️ Common mistakes
- Missing NIF for supplier or customer
- No VAT breakdown
- Missing reason for VAT exemption
- Supply date omitted when required