# DT-CIUS-PT-088.2

Source: https://xmlvalid.com/rules/DT-CIUS-PT-088.2

> The BT-92 and BT-99 currencyID must be equal to BT-5.

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `//ubl:Invoice/cac:AllowanceCharge/cbc:Amount | //cn:CreditNote/cac:AllowanceCharge/cbc:Amount`
- Test: `normalize-space(@currencyID)= $bt05`

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