BR-41: Each line-level allowance needs an amount (BT-136)

Explained by Matheel from ZATCA's rule text and the condition SDK 3.4.8 executes · Updated October 24, 2026

Error: the invoice is rejectedConditional, see belowFields: BG-27, BT-136

Applies only when an invoice line has a cac:AllowanceCharge with cbc:ChargeIndicator = false (a line allowance); each such element must contain cbc:Amount.

How to fix it

Add the amount inside each line-level allowance, e.g. <cbc:Amount currencyID="SAR">5.00</cbc:Amount>.

ZATCA's official text

[BR-41]-Each Invoice line allowance (BG-27) shall have an Invoice line allowance amount (BT-136).
Source: ZATCA SDK 3.4.8 · EN 16931 (CEN) rules

Fails when (the condition ZATCA's SDK runs)

not(exists(cbc:Amount))

Related rules

• BR-KSA-82 · Prepayment lines must carry zero line amounts
• BR-KSA-EN16931-03 · Allowance/charge amount must equal base amount × percentage / 100
• BR-KSA-EN16931-11 · Line net amount = quantity × net price ± line charges/allowances
• BR-32 · Each document-level allowance needs a VAT category code (BT-95)
• BR-36 · Each document-level charge needs an amount (BT-99)
• BR-37 · Each document-level charge needs a VAT category code (BT-102)