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Warning

CII-DT-053: Do not use an extra tax basis rate in VAT information

In short

Warning: worth checking.

CII-DT-053 warns that a tax element in your CII file contains TaxBasisAllowanceRate. Remove that element, not the element holding your VAT rate.

On this page

What it means

The rule checks every ram element whose name ends in TradeTax and warns if it has a direct ram:TaxBasisAllowanceRate child.

Why it matters

TaxBasisAllowanceRate is a separate tax basis adjustment rate, not the VAT rate field. This rule excludes it from CII tax information, so changing your VAT rate is not the correction.

How to fix it

Delete ram:TaxBasisAllowanceRate from each affected tax element. Do not remove or change ram:RateApplicablePercent just to clear this warning. If your software adds the extra rate, ask its supplier to correct the CII export, then generate and check a new file.

Once the file is corrected, check it again for free: Validate an invoice against EN 16931

Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice

The rule as published

TaxBasisAllowanceRate 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-DT-053 still fails, and which other rules do.

Updated 6 November 2026