# UBL-SR-23-GST-SG

Source: https://xmlvalid.com/rules/UBL-SR-23-GST-SG

> Seller tax representative GST identifier shall occur maximum once, if the Seller has a tax representative

- Level: warning
- Rule sets: PINT SG rules (Singapore) 1.4.1
- Context: `cac:TaxRepresentativeParty`
- Test: `(count(cac:Party/cac:PartyTaxScheme/cbc:CompanyID) <= 1)`

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