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UBL-SR-55

More than one direct debit mandate (BG-19) is given

Validation rule of EN 16931 (CEN, rule set 1.3.16) · Level: Error

What the message means

More than one direct debit mandate (BG-19) is given.

What the issuer needs to change

Give only one mandate.

Fields concerned

BG-19 direct debit

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Origin

Rule set: EN 16931 (CEN, rule set 1.3.16)
Syntax: UBL
Level: Error

Original rule text

An Invoice shall contain maximum one Payment Mandate (BG-19).

Source: CEN/TC 434, EN 16931 validation rules 1.3.16, European Union Public Licence 1.2

Technical details for IT

UBL

Context: /ubl:Invoice | /cn:CreditNote
Test: not(count(cac:PaymentMeans/cac:PaymentMandate) <= 1)

Related rules

UBL-SR-48A line has no VAT category or more than one
UBL-SR-51An address has more than one third address line
UBL-SR-53A tax scheme (PartyTaxScheme) is given without the VAT identifier

All validation rules

Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).