XV-MY-18

The SST registration number of the supplier and of the buyer is a mandatory field: cac:PartyIdentification/cbc:ID with schemeID SST, NA when not registered; the … has none.

warning: reported, still valid

What the rule checks

As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.

MyInvois validations of LHDN (Malaysia) MyInvois SDK of 25 September 2026

Context

/*/cac:AccountingSupplierParty/cac:Party | /*/cac:AccountingCustomerParty/cac:Party

Test

exists($sst)

Checked with MyInvois e-Invoice

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Choose the schema in the validator: it checks the structure first, then every business rule, and points at the line of each failure. It runs in your browser; nothing is uploaded.

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Related rules

XV-MY-15 The TIN of the supplier and of the buyer is mandatory: cac:PartyIdentification/cbc:ID with schemeID TIN (a gen...
XV-MY-16 A Malaysian TIN is IG and digits for an individual; for others C, CS, D, F, FA, PT, TA, TC, TN, TR, TP, J or L...
XV-MY-17 The registration or identification number of the supplier and of the buyer is mandatory: cac:PartyIdentificati...
XV-MY-19 The supplier's tourism tax registration number is a mandatory field: cac:PartyIdentification/cbc:ID with schem...
XV-MY-20 The supplier's MSIC code (cbc:IndustryClassificationCode, five digits; 00000 when not applicable) is mandatory...
XV-MY-21 The supplier's business activity description (the name attribute of cbc:IndustryClassificationCode) is a manda...

All rules of this set →