# DT-CIUS-PT-103.1

Source: https://xmlvalid.com/rules/DT-CIUS-PT-103.1

> The BT-116 does not meet the defined format: decimal value with 3 decimal places and 13 unit places, than can be negative.

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `//ubl:Invoice/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount | //cn:CreditNote/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount`
- Test: `matches(.,'^(-?\d{1,13}\.\d{2,3})$')`

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