Fiscal verification of invoices in Slovenia

Fiscal verification is a frequent source of questions for service businesses in Slovenia. A hair salon accepting a card and a consultant paid by direct bank transfer can have different verification obligations even though both issue an invoice for a service.

This article summarises public guidance from the Slovenian Financial Administration (FURS) and the SPOT business portal. It is not tax or legal advice; discuss special cases such as deposits, vouchers and mixed payment methods with your accountant or FURS.

What fiscal verification means

For cash-payment transactions, a liable business must issue the invoice through the prescribed fiscal-verification process. An electronic cash-register system sends invoice data to the tax authority and, following successful verification, receives an EOR — the invoice's unique identification code.

The process also uses the issuer's protective mark (ZOI) and other prescribed invoice data. Its purpose is to maintain a traceable record of invoices issued in cash-payment transactions.

What counts as a cash payment in Slovenia

The key question is the payment method. Slovenia's SPOT portal explains that the definition includes payment and credit cards as well as other methods that are not a direct payment of the invoice to the business's transaction account.

That is why “was the customer physically on site?” is not a sufficiently precise test. The actual payment route matters.

What you need for electronic verification

Official guidance sets out several setup steps. A typical electronic cash-register implementation requires:

1. A dedicated digital certificate for fiscal cash registers, requested through eDavki.
2. An inventory of business premises and an internal act, including invoice-numbering rules.
3. Registration of the relevant business premises with the tax authority before cash-payment invoicing starts.
4. Software or an electronic device capable of signing and exchanging the required invoice data with FURS.

So enabling fiscal verification is not only a switch on an invoice screen; company and business-premises setup must also be correct.

The bound invoice book is a separate fallback route

Slovenia also provides the bound invoice book (VKR) as a way to issue invoices. It must be confirmed before first use, and data from issued invoices must later be reported to the tax authority within the prescribed deadline.

Official guidance specifically requires VKR when the computer program or electronic device cannot be used because of a device/program failure or power outage. The rules for different technical failures are not necessarily identical, so businesses should document the exact fallback process rather than assume every internet interruption is handled the same way.

How this connects to appointment software

In a service business, an invoice often follows a completed appointment. When the calendar and billing tool are separate, the service, price and client information may have to be entered twice.

In Calendra, the completed visit can move into billing with linked client and line-item information. Fiscal-verification functionality is described on the Fiscal cash register page, and the broader flow from appointment to issued invoice is covered on Invoicing and payments.

Three common traps

“A card is not cash.” Not in everyday language, but card payments are included in the relevant statutory cash-payment definition.

“Every online payment is a bank transfer.” Do not infer the legal treatment merely from the fact that payment happened online. The payment route and the way the transaction is settled matter.

“The rule only matters if most of my revenue is paid on site.” The obligation is not based on a revenue percentage. Identify whether you issue invoices that fall within the cash-payment regime.

What to check before implementation

List every payment method you accept: cash, card, direct transfer, online payments, vouchers and deposits. For each one, confirm with your accountant whether it is a cash payment under ZDavPR and when the invoice must be issued and verified.

Then check whether your current system creates the invoice directly from the appointment and whether it can keep different payment routes distinct. See pricing or client management, where issued invoices stay connected to the client profile.

Official sources

• FURS: Fiscal cash registers and bound invoice books
• SPOT: Fiscal cash-register guidance for body-care activities
• SPOT: Hairdressing activity and fiscal cash registers