Error code BR-29
What error BR-29 means
BR-29 is a rule of EN 16931. If your invoice breaks it, the official rule text below says what is expected. The fields it names are listed under it.
This page shows the official rule only; a plain-language explanation hasn't been written yet.
The official rule
“If both Invoicing period start date (BT-73) and Invoicing period end date (BT-74) are given then the Invoicing period end date (BT-74) shall be later or equal to the Invoicing period start date (BT-73).”
Official text, in the language the rule set publishes it in.
Fields named: BT-73 · BT-74