# XV-MY-20

Source: https://xmlvalid.com/rules/XV-MY-20

> The supplier's MSIC code (cbc:IndustryClassificationCode, five digits; 00000 when not applicable) is mandatory.

- Level: error
- Rule sets: MyInvois validations of LHDN (Malaysia) MyInvois SDK of 25 September 2026
- Context: `/*/cac:AccountingSupplierParty/cac:Party | /*/cac:AccountingCustomerParty/cac:Party`
- Test: `not($supplier) or $msic ne ''`

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