# DT-CIUS-PT-153

Source: https://xmlvalid.com/rules/DT-CIUS-PT-153

> The Document type code only allows the following values: 130.

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `//ubl:Invoice/cac:AdditionalDocumentReference/cbc:DocumentTypeCode | //cn:CreditNote/cac:AdditionalDocumentReference/cbc:DocumentTypeCode`
- Test: `(not(contains(normalize-space(.), ' ')) and contains(' 130 ', concat(' ', normalize-space(.), ' ')))`

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