XV-MY-13
The certificate's organization identifier should be the TIN of the supplier or the buyer: MyInvois rejects a document whose signer's TIN is not the submitter's (DS311). This one is ….
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.