BR-NL-24
The rule sets below word this rule differently; each wording is shown with its rule set.
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.
The use of a preceding invoice issue date (cac:BillingReference/cac:InvoiceDocumentReference/cbc:IssueDate) is not recommended
cac:BillingReference/cac:InvoiceDocumentReference/cbc:IssueDate[$s]
false
Checked with Netherlands SI-UBL 2.0 Invoice (NLCIUS), Netherlands SI-UBL 2.0 Credit Note (NLCIUS)
The use of a preceding invoice issue date (/*/ram:ApplicableHeaderTradeSettlement/ram:InvoiceReferencedDocument/ram:FormattedIssueDateTime/qdt:DateTimeString) is not recommended
ram:InvoiceReferencedDocument/ram:FormattedIssueDateTime/qdt:DateTimeString[$s]
false
Checked with Netherlands NLCIUS Invoice (CII)