# BR-110-GST-SG

Source: https://xmlvalid.com/rules/BR-110-GST-SG

> The GST accounting currency code (BT-6-GST) must be present when Invoice total including GST amount or Invoice Total excluding GST amount in accounting currency are provided.

- Level: error
- Rule sets: PINT SG rules (Singapore) 1.4.1
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `exists(cbc:TaxCurrencyCode) or not(exists(cac:AdditionalDocumentReference[cbc:DocumentTypeCode='sgdtotal-incl-gst']) or exists(cac:AdditionalDocumentReference[cbc:DocumentTypeCode='sgdtotal-excl-gst']))`

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