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Warning

CII-SR-404: Leave the partial payment percentage out of the payment terms

In short

Warning: worth checking.

CII-SR-404 means the payment terms contain a PartialPaymentPercent, which EN 16931 does not use. It is only a warning and the invoice is still accepted; remove the element and describe any instalments in the payment terms text.

On this page

What it means

The payment terms contain a PartialPaymentPercent element, the share of the invoice that is due under these terms, used to split a payment into instalments. EN 16931 does not use it. It has one due date (BT-9) and one amount due (BT-115) for the whole invoice.

Why it matters

This is a warning, so the invoice is still accepted. The buyer's software does not read the percentage, so an instalment plan that only exists here is lost. It is worth fixing if you agreed instalments with the buyer, because they will not see them.

How to fix it

Remove the PartialPaymentPercent element. Write the instalments in the payment terms text (BT-20), for example 50 % due in 14 days and the rest in 30 days. Keep the due date (BT-9) as the date by which the amount due has to be paid.

The rule as published

PartialPaymentPercent should not be present

Where this rule applies

Rule set Version
EN 16931 (CII) 1.3.17
XRechnung 3.0 (CII) 3.0.2
NLCIUS (CII) 1.0.3.13
France CTC (CII) 1.4.0-04
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether CII-SR-404 still fails, and which other rules do.

Updated 6 November 2026