DK-R-016: For Danish Suppliers, a Credit note cannot have a negative…

StandardPeppol BIS Billing 3.0 country rules (NL, DE, IT, SE, DK, NO, GR, IS)CountryDenmarkSeverityError: the invoice is rejectedSyntaxUBL, CIIApplies toOnly when the seller (or for some rules the buyer) is in the named country: the rule is triggered by the country code of the party. Dutch rules implement NLCIUS, German rules the XRechnung requirements inside Peppol.

Official rule text

[DK-R-016] For Danish Suppliers, a Credit note cannot have a negative total (PayableAmount)

Why this error occurs

The validator evaluates the XPath test above against the context element; the assertion is false for your file.

How to fix it

Compare your file with the rule text and the test expression, adjust the element named in the context, and validate again.

What the validator checks

Checked element (context):

UBL

ubl-creditnote:CreditNote[$DKSupplierCountry = 'DK'] | ubl-invoice:Invoice[$DKSupplierCountry = 'DK']

Test (XPath):

not((boolean(/ubl-creditnote:CreditNote) and ($DKCustomerCountry = 'DK'))
						and (number(cac:LegalMonetaryTotal/cbc:PayableAmount/text()) < 0)
						)

CII

rsm:CrossIndustryInvoice[$DKSupplierCountry = 'DK']

Test (XPath):

not((($DKCustomerCountry = 'DK') and (normalize-space(rsm:ExchangedDocument/ram:TypeCode/text()) = '381'))
                              and (number(rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementHeaderMonetarySummation/ram:DuePayableAmount/text()) < 0)
                              )

Check your invoice

Drop your XML or PDF on the validator and every failed rule is linked to its page here. Free, no account, the file is not stored.

Check your invoice →

Same check via API:

curl -F file=@invoice.xml https://einvoicechecker.com/v1/validate

Related rules

DK-R-002 Danish suppliers MUST provide legal entity (CVR-number)
DK-R-003 If ItemClassification is provided from Danish suppliers, UNSPSC version 19.05.01 or…
DK-R-004 When specifying non-VAT Taxes for Danish customers, Danish suppliers MUST use the…
DK-R-005 For Danish suppliers the following Payment means codes are allowed
DK-R-006 For Danish suppliers bank account and registration account is mandatory if payment…
DK-R-007 For Danish suppliers PaymentMandate/ID and PayerFinancialAccount/ID are mandatory when…
DK-R-008 For Danish Suppliers PaymentID is mandatory and MUST start with 01#, 04# or 15#…
DK-R-009 For Danish Suppliers if the PaymentID is prefixed with 04# or 15# the 16 digits…

Frequently asked questions

What does DK-R-016 mean?

DK-R-016 is a peppol national rule: For Danish Suppliers, a Credit note cannot have a negative total (PayableAmount)

Will my invoice be rejected because of DK-R-016?

Yes. DK-R-016 is flagged "fatal"; validators (KoSIT, Peppol access points, the German ZRE/OZG-RE portals, KSeF) reject the invoice until it is fixed.

Which formats does DK-R-016 apply to?

Only when the seller (or for some rules the buyer) is in the named country: the rule is triggered by the country code of the party. Dutch rules implement NLCIUS, German rules the XRechnung requirements inside Peppol. Syntax: UBL and CII.

Source: Peppol BIS Billing 3.0.20 national rules (November 2025). Catalogue generated from the official rule sets on 2026-10-15.

DK-R-016: For Danish Suppliers, a Credit note cannot have a negative total (PayableAmount)