AMIC petrol station and KSeF. Why can a cash-register invoice stay outside the system while a payment-terminal invoice is in KSeF?

AMIC Polska states that full invoices issued using fiscal cash registers remain outside KSeF during a transitional period, ending no later than December 31, 2026. The temporary cash-register exception allows this. Full invoices covered by this exception are not subject to a PLN 450 limit.

The same announcement states that, for a business purchase at an OPT self-service payment terminal, the customer provides a NIP, receives a transaction confirmation with a QR code, and the invoice is sent to KSeF. AMIC also confirms submission of fleet invoices, corrections and invoices issued against receipts with a NIP for more than PLN 450.

Before searching for a document, establish whether you have a full cash-register invoice, a receipt with a NIP, a transaction confirmation or a readable copy of an invoice. Check the issuer as well: these procedures come from AMIC Polska. If another entity issues the invoice, confirm directly with that entity how to receive it.

You receive a printout after refuelling, but no invoice appears in KSeF. If you have a full invoice issued from an AMIC cash register, its absence from the system may follow the operator's procedure. After a purchase with a NIP at a payment terminal, however, you should look for the invoice in KSeF. Both ways of handling documents can operate alongside each other in September 2026. This guide helps you identify what you received and where to collect the invoice.

KSeF, short for Krajowy System e-Faktur, is Poland's National e-Invoice System, operated by the Ministry of Finance. NIP is the Polish tax identification number used to identify a business on its invoices. This article describes Polish invoicing rules and AMIC Polska's published procedures as of September 6, 2026.

1. Why can a full AMIC cash-register invoice remain outside KSeF?

2. Which document will you receive after buying from AMIC?

3. How does a cash-register invoice differ from an invoice issued against a receipt?

4. How do you receive payment-terminal invoices, fleet invoices and corrections?

5. What should you do if an AMIC business invoice is missing from KSeF?

6. How should you organise documents after refuelling?

7. Receive purchase invoices in KSeFGPT

8. Frequently asked questions

In its KSeF announcement, AMIC Polska states that invoices will continue to be issued using fiscal cash registers and will not be sent to KSeF. It describes paper invoices issued under the existing arrangements during a transitional period, ending no later than December 31, 2026.

Poland's Ministry of Finance explains the basis for this approach. In its answer about fuel invoices, question 68 in the invoice-issuing section, the ministry confirms that full invoices issued using cash registers may remain outside KSeF until the end of 2026 regardless of their amount. It lists receipts with a NIP that qualify as simplified invoices separately.

Three elements determine how this rule applies:

Issuing method: the invoice must be issued using a fiscal cash register. A paper printout alone does not establish that this exception applies.

Amount: the PLN 450 threshold for a receipt qualifying as a simplified invoice does not limit the value of a full cash-register invoice.

Time: the exception applies until the end of 2026. AMIC specifies a latest possible end date. It does not promise that its procedure will remain in place throughout the rest of the year.

Whether AMIC issues an invoice in KSeF therefore depends on the particular document. The distinctions in the table help you identify what you received and decide where to look next.

The table in this section turns AMIC Polska's published procedures into practical next steps for the customer. It reflects the information available on September 6, 2026, and the scope of that announcement.

These details help you identify the document and the purchase:

Buyer's NIP: for a business purchase, this connects the invoice to the correct company.

Seller's name and NIP: these identify the issuer to contact about the invoice.

Email address: AMIC provides for emailing a readable copy in the cases listed in the table. Its business OPT procedure specifies access through a QR code.

Date, amount and document number: these help the station identify the transaction when you contact it.

Consumer invoices need a separate explanation. The Ministry of Finance confirms that issuing them in KSeF is voluntary. AMIC describes its own decision to use the system for these invoices too. This does not create a general KSeF requirement for every private purchase.

AMIC also operates a franchise network in which the station owner runs the business. Checking the issuer helps you establish the applicable procedure. The station's appearance alone is not enough to assume that AMIC Polska's procedures apply.

Two rows in the table are easy to confuse: a full cash-register invoice and an invoice issued later against a receipt. The examples in the next section explain the difference.

If the seller issued a full invoice using a cash register, you already have an invoice. Under AMIC's stated procedure, it remains outside KSeF. If you received a receipt with a NIP for more than PLN 450 instead, the receipt itself is not a simplified invoice. AMIC describes issuing a VAT invoice against it, sending that invoice to KSeF and emailing a readable copy.

The PLN 450 or EUR 100 threshold concerns the gross amount of a receipt with a NIP that qualifies as a simplified invoice when its conditions are met. It is not a general value limit for a full cash-register invoice. The Ministry of Finance explains the receipt rules.

For an invoice issued later against a receipt to a business customer, follow this sequence:

1. Say that you are buying for your business and provide its NIP before the sale is completed on the cash register.

2. Check that the receipt shows the correct NIP.

3. If the amount exceeds the simplified-invoice limit, ask the seller for an invoice and provide an email address for the readable copy under AMIC's procedure.

The Ministry of Finance states that an invoice issued to a taxpayer for a sale recorded on a cash register requires the buyer's NIP on the receipt. A consumer invoice issued against a receipt without a NIP should therefore not be treated as a way to turn a private purchase into a business purchase later.

The table uses illustrative examples, not actual purchases. All amounts are gross amounts, including VAT. The three PLN 600 examples show why the amount alone does not determine where to receive the invoice. Once you identify the document, you can choose the appropriate way to retrieve it, including the procedures for OPT purchases, fleet invoices and corrections.

At an OPT payment terminal, a business customer provides a NIP and receives a transaction confirmation with a QR code giving access to the invoice. AMIC states that the VAT invoice is sent to KSeF. Keep the confirmation until you have found and checked the correct document.

For fleet invoices, the operator also describes emailing a readable copy with a KSeF ID to the address provided. The structured invoice in KSeF is an XML document; the readable copy, also called a visualization, presents its data in a format people can read. Receiving that copy and downloading the invoice from KSeF does not mean that there were two separate purchases.

When retrieving the invoice, check these details:

Company details: confirm that the buyer's NIP matches the business for which the purchase was made.

Issuer: this matters especially when an external fuel-card programme settles the purchase. Follow the procedure of the entity issuing the invoice.

Numbers: the invoice number assigned by the seller and the KSeF number are different identifiers. AMIC uses the term KSeF ID in its announcement.

Correction link: keep the original document, including when you previously received it outside KSeF.

AMIC states that all invoice corrections will be sent to KSeF. Do not assume that you will receive a correction in the same way as the original paper cash-register invoice.

Our guide to receiving invoices through KSeF explains business access in more detail. The table summarises the documents to match together. If you still cannot find the invoice, a few checks can help before you report it as missing.

Start by establishing whether the invoice should have been sent to the system in your situation. A full cash-register invoice issued outside KSeF under the stated exception will not appear in the search results simply because you refresh the list again.

If you expect the invoice to be in KSeF, work through these questions:

1. What did you receive? Distinguish a full invoice, a receipt with a NIP, a confirmation with a QR code and a readable copy of an invoice.

2. Who issues the invoice? Check the seller's name and NIP. For fleet purchases, check who issues the document settling those purchases.

3. Which company made the purchase? Compare the buyer's NIP with the business whose invoices you are viewing.

4. Does your search cover the correct period? Check the date range, access to purchase invoices and whether your software has retrieved up-to-date data from KSeF.

5. Do you have documents or messages from AMIC? Use the QR code on the confirmation. If the procedure includes email, check the address given to the operator and your spam folder.

6. Do you need the issuer to clarify the situation? Prepare the date, amount, number of the document received, buyer's NIP and station address. Ask whether the invoice has been issued and where you can retrieve it.

AMIC's announcement does not specify how many minutes or days it takes for an invoice to become available. If you have a problem, ask the issuer for the status of the particular invoice.

Use the result of these checks to choose the next step in the table. Once you know where to receive the invoice, collect the related documents so that no purchase is omitted from your company's records or entered twice.

A business buying fuel at AMIC may receive full cash-register invoices, receipts qualifying as simplified invoices and invoices retrieved from KSeF at the same time. Downloading a list from the system will not include documents issued outside it. The person who refuels should therefore pass on the document received according to the arrangements agreed with the accounting team.

A payment-terminal confirmation helps you match a purchase to its invoice. A readable copy makes the invoice easier to read. If a confirmation, a readable copy and a KSeF invoice for the same purchase arrive through different channels, keep them linked. Do not treat every file or printout received as a separate expense.

Link a correction to the original document even if one comes from KSeF and the other was issued outside the system. This lets the accounting team assess the complete set of documents. Where you receive an invoice is a separate question from the tax rules for accounting for fuel expenses.

The KSeFGPT Invoices module lets you retrieve incoming invoices from KSeF, review their details and download readable copies. Select the correct company and period, then check the documents relating to your fuel purchases.

Keep invoices that AMIC issues outside KSeF and pass them into your company's agreed document process. Retrieving invoices from the system then complements the other documents needed to close the month.

Which petrol stations may issue invoices outside KSeF? Article in Polish Compare the scope of other chains' announcements and the documents customers receive after refuelling.

Receipts with a NIP and the transitional rules until the end of 2026 Read the wider context of simplified invoices and the changes after the transitional period ends.

How to receive an invoice from KSeF step by step Learn how to organise receipt of your company's purchase invoices.

The KSeF number on an invoice Find out how to distinguish the system's reference from the invoice number assigned by the seller.