BR-49
A Payment instruction (BG-16) shall specify the Payment means type code (BT-81).
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
cac:PaymentMeans
exists(cbc:PaymentMeansCode)
Checked with EN 16931 Invoice (UBL), EN 16931 Credit Note (UBL), Croatia eRačun Invoice (UBL), Croatia eRačun Credit Note (UBL)
//ram:SpecifiedTradeSettlementPaymentMeans
(ram:TypeCode)
Checked with EN 16931 Invoice (CII)