BR-30
Validation message
If both Invoice line period start date (BT-134) and Invoice line period end date (BT-135) are given then the Invoice line period end date (BT-135) shall be later or equal to the Invoice line period start date (BT-134).
Explanation
A line states a period whose end date is before its start date. The end date must be on or after the start date.
How to fix
Check this line's period and ask the seller for a corrected invoice with the right start and end dates.
Applies to
- EN 16931 (UBL)
- EN 16931 (CII)