How do I fix CII-FIX-TAX-AMOUNTS?

Recalculate tax amounts from taxable base × rate. You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.

Is CII-FIX-TAX-AMOUNTS a critical error?

Yes, CII-FIX-TAX-AMOUNTS is a critical error that will cause invoice rejection. It must be fixed before submission.

Can CII-FIX-TAX-AMOUNTS be automatically fixed?

Many instances of CII-FIX-TAX-AMOUNTS can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.

Which accounting software causes CII-FIX-TAX-AMOUNTS?

CII-FIX-TAX-AMOUNTS is commonly seen in exports from ZUGFeRD generators, Factur-X converters. These packages sometimes generate invoices that need adjustment.

errorcii-d16b

`CII-FIX-TAX-AMOUNTS`:CII tax amount recalculation

Each tax breakdown amount (ram:CalculatedAmount) must equal the taxable amount times the tax rate. When the declared tax amount differs from the calculated amount by more than 1 cent, the system can recalculate it. This changes a financial value and requires your confirmation.

Severity

Fatal

Rule set

cii-d16b

Country

All EU

Fix type

CONFIRM

Confidence

80%

Engine Classification

Requires user confirmation before application

What is CII-FIX-TAX-AMOUNTS?

CII-FIX-TAX-AMOUNTS is a fatal validation rule defined in the cii-d16b specification. It validates the ram:CalculatedAmount element in the UBL invoice XML.

When this rule fires, the invoice is non-compliant and will be rejected by Peppol access points and national validation services. The sending system receives a rejection response and the invoice does not reach the buyer.

Target path: ram:ApplicableTradeTax/ram:CalculatedAmount

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Why This Error Matters

CII-FIX-TAX-AMOUNTS is a hard failure. Invoices that trigger this rule are rejected at the access point and never reach the recipient. In Peppol networks, this means your sending system receives an MLR (Message Level Response) with a rejection status. The invoice must be corrected and re-sent, adding delay to your payment cycle.

Validator Behavior

·Causes invoice rejection
·Fails CII schema validation
·Error returned: CII-FIX-TAX-AMOUNTS
·Specification: cii-d16b

XML Example

Generic example based on the rule's target XPath. Your actual XML structure may differ.

Before

<!-- Triggers validation error -->
<ram:CalculatedAmount></ram:CalculatedAmount>

After

<!-- Corrected -->
<ram:CalculatedAmount>VALID_VALUE</ram:CalculatedAmount>

Technical Reference

XPathram:ApplicableTradeTax/ram:CalculatedAmount

Speccii-d16b

Operationrecalculate

StrategyRecalculate each tax CalculatedAmount = BasisAmount × RateApplicablePercent / 100

Common Causes

·Rounding difference in tax calculation
·Tax rate changed after amount was set
·Multi-currency rounding

Seeing this in production? The API handles CII-FIX-TAX-AMOUNTS automatically. See the fix response →

Commonly Seen In

ZUGFeRD generatorsFactur-X converters

Last updated: 18 February 2026

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Handle CII-FIX-TAX-AMOUNTS Automatically in Your Pipeline

The compliance engine auto-remediates this error with controlled safety policies and evidence pack generation.

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CII-FIX-TAX-AMOUNTS:CII tax amount recalculation