Summary
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From 1 January 2027, an active VAT taxpayer paying another active VAT taxpayer for a structured invoice will generally be required to include the invoice’s KSeF number in the payment reference. A collective identifier may be used where a single payment settles multiple structured invoices. [ksef.podatki.gov.pl]
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The obligation may also apply to third parties paying an invoice on behalf of the named buyer. However, a payment that discharges a separate legal obligation, rather than settling goods or services purchased by the payer, should be distinguished from an ordinary third-party invoice payment.
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This distinction is particularly relevant to insurers paying compensation directly to repair garages or other claims-settlement entities. Where the insurer is not the buyer shown on the invoice and is satisfying an insurance obligation, the payment should not require the invoice’s KSeF number.
Article
Poland’s forthcoming payment-reference rules will not mean that every transfer connected in some way with an invoice must contain a KSeF number. The key issue is whether the transfer constitutes payment for the supply documented by the invoice and whether the payer falls within the statutory scope of the requirement.
From 1 January 2027, an active VAT taxpayer making payment to another active VAT taxpayer for a structured invoice, including specified invoices issued under KSeF offline procedures, will generally have to state the relevant KSeF number. Where one transfer covers more than one invoice, the payer may instead use a collective identifier generated through KSeF. The rule applies to transfers and other payment instruments that allow information to be entered in the payment reference. [ksef.podatki.gov.pl]
The Ministry of Finance’s KSeF guidance also states that the requirement extends to third parties paying invoices issued to a particular buyer. This could initially suggest that any payment by an entity other than the invoiced customer must contain the KSeF number. The more precise analysis, however, turns on what obligation the payment is intended to discharge. [ksef.podatki.gov.pl]
An important example concerns an insurer that pays compensation directly to a garage repairing the insured person’s vehicle. If the garage’s invoice identifies the policyholder or another party as the buyer, the insurer is not paying for goods or services that it purchased. Instead, it is fulfilling its contractual obligation to compensate the insured party. On that interpretation, the insurer is not simply a third-party payer settling the customer’s invoice and the KSeF payment-reference requirement should not apply.
The distinction will be operationally significant for insurers, claims administrators, repair networks and accounts-payable teams. Payment systems should not rely solely on the existence of an invoice or the presence of a KSeF number in supporting documentation. They should also identify the legal basis for the payment, the buyer named on the invoice and the obligation being discharged.
Businesses should map payment scenarios before 1 January 2027 and document how they differentiate invoice settlement from compensation, reimbursement, financing and other independent payment obligations. Particular attention should be given to automated payment files, payment-on-behalf arrangements and collective settlements involving several invoices.
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