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Tips·jun 2026

Fiscalization for flat-rate entrepreneurs: whether and when you must

Flat-rate entrepreneurs often think fiscalization doesn’t apply to them. The truth depends on what and to whom you sell. The clear rule: retail trade means fiscalization, flat tax or not.

The most common misconception among flat-rate entrepreneurs: „since I pay a flat tax, I don’t need a fiscal register". It’s not that simple. Fiscalization doesn’t depend on your tax regime, but on what and to whom you sell. Let’s separate when you must from when you usually don’t.

The rule is in the trade, not the flat tax

The key is retail trade — selling goods or a service to an end consumer. If you have a shop, a café, a hair salon or anything where you charge consumers, fiscalization applies to you, flat-rate or not. The flat-rate regime changes how you pay tax, but it doesn’t remove the fiscal-receipt obligation.

Fiscalization YES Selling to consumers Radnja ili kafić Retail trade Usually NO Only services to firms No retail e-Invoice instead

When you usually don’t have to

If you do exclusively services for other companies and have no retail sales, you generally don’t need a fiscal register — that’s where the e-Invoice goes, not the fiscal receipt. A developer invoicing firms, or a consultant with no retail, usually isn’t required to fiscalize. The line is right there: is there a sale to an end customer.

What it means in practice

If you’re a flat-rate entrepreneur charging consumers for a service, you need a register that’s simple and cheap — without ERP complexity you don’t need. Tezga eKasa is built precisely for service businesses: the fiscal receipt, the e-Invoice when needed and reports, all in one — from €9 a month.

Key takeaways

  • Fiscalization depends on the trade, not on the flat-rate regime
  • Selling to consumers (retail) = you fiscalize, flat-rate or not
  • Only services to firms with no retail = usually an e-Invoice, not a fiscal receipt

Frequently asked questions

If you sell to end customers (shop, café, salon), generally yes. The flat tax changes the tax, not the fiscal-receipt rule for retail.

If you have no retail sales, usually no — that’s where the e-Invoice goes. For a sure reading of your case, check with your bookkeeper.

What you get with Tezga eKasa

  • A simple register without ERP complexity
  • Fiscal receipt and e-Invoice when needed
  • From €9 a month — built for small businesses
  • Runs on a device you already have
Learn more about Tezga eKasa

Read more

e-Invoicing in Serbia 2026: who must comply, deadlines, and how The KPO book for flat-rate entrepreneurs: what it is, the 6M limit, how to keep it Fiscalization for freelancers and service businesses: what you actually need

Try Tezga eKasa free

Fiscal receipts and e-invoices for service businesses — a register that keeps it simple.