Counterfoil rule note
Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.
Party tax scheme shall occur maximum twice in accounting supplier party
Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/UBL-SR-42/
Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL
Severity note: fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-18.
The party tax scheme shall occur at most twice in the accounting supplier party. The statement has no period and says shall. It is 71 characters. The flag is fatal. The context is the supplier party. The published test counts cac:PartyTaxScheme and compares with <= 2. The count comparison has a space before <= and a space after it.
Send at most two party tax schemes on the accounting supplier party.
Illustration of the condition in the official statement. Not an example published by the source.
Fails the stated condition. The accounting supplier party has three party tax schemes.
Passes the stated condition. The accounting supplier party has two party tax schemes, or fewer.
Copied from the source. Not reimplemented on this page.
cac:AccountingSupplierParty/cac:Party
(count(cac:PartyTaxScheme) <= 2)
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