# DT-CIUS-PT-003_i

Source: https://xmlvalid.com/rules/DT-CIUS-PT-003_i

> The BT-3 only allows the following values: 380, 383, 386, 389, FT, FS, FR, ND, RP, RE, CS, LD, RA.

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `//ubl:Invoice/cbc:InvoiceTypeCode`
- Test: `(matches(.,'^([A-Z0-9]{2,3})$') and contains('380,383,386,389,FT,FS,FR,ND,RP,RE,CS,LD,RA,', concat(normalize-space(.), ',')))`

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