fatalEN 16931syntax binding ruleUBL
When there are more than one payment means code, they shall be equal
Several PaymentMeans groups carry different payment means codes.
EN 16931 supports a single payment method per invoice — make every PaymentMeansCode the same, or keep only the group you mean.
UBL — context /ubl:Invoice | /cn:CreditNote
count(//cbc:PaymentMeansCode[not(preceding::cbc:PaymentMeansCode/. = .)]) <= 1