First day of this line's delivery period (e.g. the billing month of one service). Overrides the document period BG-14 for this line; must not be after BT-135.
cac:InvoiceLine/cac:InvoicePeriod/cbc:StartDateram:SpecifiedLineTradeSettlement/ram:BillingSpecifiedPeriod/ram:StartDateTime/udt:DateTimeString Part of BG-26 Invoice line period
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Open the validator ← All EN 16931 terms
Semantics: EN 16931-1. Simplified explanation in our own words — the norm is authoritative.