PEPPOL-EN16931-R110 - The line period must start within the invoice period
When both a document period and a line period are stated, the start date of the line period (BT-134) must fall inside the invoicing period bounded by BT-73 and BT-74.
PEPPOL-EN16931-R110 - The line period must start within the invoice period
When both a document period and a line period are stated, the start date of the line period (BT-134) must fall inside the invoicing period bounded by BT-73 and BT-74. This is a Peppol BIS Billing 3.0 rule. It applies on top of the EN 16931 core standard, on invoices exchanged over the Peppol network.
What this rule checks
When both a document period and a line period are stated, the start date of the line period (BT-134) must fall inside the invoicing period bounded by BT-73 and BT-74.
How to fix it
Correct cac:InvoiceLine/cac:InvoicePeriod/cbc:StartDate, or widen the document level cac:InvoicePeriod.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
Source: OpenPeppol BIS Billing 3.0 · Last verified: 2026-07-10
All validation rules