# DT-CIUS-PT-079.4

Source: https://xmlvalid.com/rules/DT-CIUS-PT-079.4

> The BT-82 does not meet the defined format: it is mandatory to prefix the value with the following '#DESCRIPTION@ATMPAYMENT#' and suffice with '#'.

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `//ubl:Invoice/cac:PaymentMeans/cbc:PaymentMeansCode | //cn:CreditNote/cac:PaymentMeans/cbc:PaymentMeansCode`
- Test: `exists(@name) and starts-with(normalize-space(@name),'#DESCRIPTION@ATMPAYMENT#') and not(matches(@name,'^(#(DESCRIPTION@ATMPAYMENT)#(.{1,125})#)$'))`

Validate a document against these rules: https://xmlvalid.com/validate