When does Latvia's B2B e-invoicing start?

On 1 January 2028. The 2026 date relates to public-sector reporting, not general B2B.

Which identifier scheme is Latvian?

Scheme 0218 is the Latvian unified registration number; 9939 is the Latvian VAT number.

Can I generate a compliant invoice?

Yes — the free generator exports Peppol BIS 3.0 UBL that passes our validator.

Validate Peppol invoices for Latvia

From 1 January 2028 covered Latvian enterprises must exchange structured B2B invoices conforming to Peppol BIS Billing 3.0. Start validating now so your templates are ready.

B2B mandate: 1 Jan 2028
Format: Peppol BIS Billing 3.0 XML
Transport: Peppol not universally compulsory
VAT ID: LV + 11 digits

Rules

Drop your e-invoice here

UBL 2.1 · Peppol BIS 3.0 · XRechnung · Factur-X / ZUGFeRD (XML or PDF)

Processed in memory and never stored. PDFs are unpacked in your browser.

What this validator checks for Latvia

Latvian VAT ID format
Peppol BIS 3.0 specification and process identifiers
Electronic address scheme 0218 (unified registration number)
VAT 21% and reduced rates per category
All EN 16931 calculation rules

Format before network

Latvia mandates the Peppol BIS 3.0 document format; using the Peppol network for transport is common but not required in every case. A valid Peppol BIS 3.0 file is therefore the key requirement.