# BR-CO-26-GST-SG

Source: https://xmlvalid.com/rules/BR-CO-26-GST-SG

> In order for the buyer to automatically identify a supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller GST identifier (BT-31-GST) shall be present.

- Level: error
- Rule sets: PINT SG rules (Singapore) 1.4.1
- Context: `cac:AccountingSupplierParty`
- Test: `exists(cac:Party/cac:PartyTaxScheme/cbc:CompanyID) or exists(cac:Party/cac:PartyIdentification/cbc:ID) or exists(cac:Party/cac:PartyLegalEntity/cbc:CompanyID)`

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