01Fiscal registers & SEF
Digital cash registers in Kosovo: how they relate to SEF
“Digital cash register” is common search language. ATK’s formal 2026 terms are Fiscal Register, PEF/SF and Electronic Fiscal Software (SEF).
KNOWLEDGE CENTRE
Kosovo fiscalization, fiscal registers and SEF, explained clearly.
Guides checked against official ATK sources on Kosovo fiscalization, fiscal and digital registers, PEF, SEF and fiscal receipts.
Featured guide
How does SEF work for businesses in Kosovo?
Understand Electronic Fiscal Software (SEF), its relationship to fiscal registers and PEF, ATK reporting and fiscal receipts in Kosovo.
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Fiscalization in Kosovo, step by step
Start with the question that matters to your business.
Fiscalization in KosovoWhat SEF is and how it works at the point of sale.Fiscal register or SEF?The differences between AF, PEF/SF and fiscal software.Digital cash registers in KosovoWhat this term means and how to evaluate a solution.SEF and ATK certificationHow to check software certification before choosing.
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02Fiscal receipt
Fiscal receipt or tax invoice in Kosovo: which document should you issue?
The practical distinction between a final-consumer receipt and a tax invoice for business supplies under Instruction (MF) No. 01/2026.
03Fiscal registers & SEF
Kosovo Administrative Instruction (MF) No. 01/2026: what changed in fiscalization?
A source-checked overview of PEF, Fiscal Systems, SEF, fiscal receipts, QR, offline work, certification and transitional provisions.
04Operations
SEF device failure and the special fiscal-receipt block: the 48 hours + 5 days procedure
What a business does when its fiscalization device stops completely, how the special block is used and when receipts are entered into SEF.
05Operations
Changing location, transferring or deregistering SEF: a practical plan
Steps that preserve the fiscal trail when a sales location moves, a device is replaced, SEF is transferred or activity stops.
06By business
Fiscalization of vending and self-service machines in Kosovo
What an operator must register, how a sale is reported, which QR is displayed and how internet interruption is handled.
07Fiscal receipt
What must a Kosovo fiscal receipt contain? A control checklist
Check business identity, operator, items, tax, payment, NUIKF, QR and document type on a fiscal receipt.
08Security & data
SEF digital certificates and private keys: what a business must protect
The role of a certificate for each installed SEF, the identifiers connected to it and practical controls for the private key.
09Fiscal registers & SEF
From testing to SEF certification: using the ATK portal
The official workflow for developers and maintainers: technical testing, scenario verification, documents and the certification application.
10Fiscal registers & SEF
ATK’s certified SEF list: how to verify a solution
How to read ATK’s public register, check a SEF’s name, version and supported platforms, and keep evidence before purchase.
11Fiscal registers & SEF
Who must use SEF in Kosovo? Retail, services and B2B sales
A practical guide to when a fiscal receipt and SEF are required, when a tax invoice is used and how mixed B2C/B2B sales should be organized.
12By business
Business management software in Kosovo: what should it include?
A complete guide to choosing a system that connects sales, fiscal tills, inventory, customers, teams, branches and reporting.
13Fiscal registers & SEF
Fiscal register, PEF or SEF: which solution does a business use?
ATK distinguishes fiscal registers, Electronic Fiscal Equipment (PEF), Fiscal Systems and Electronic Fiscal Software (SEF). Learn what changes in practice.
14Operations
Common fiscalization errors and how to prevent them
From the wrong item to a duplicate receipt: practical controls that reduce point-of-sale problems.
15Fiscal registers & SEF
Checklist: preparing your business to use SEF
A practical checklist for data, items, devices, operators, internet, printers and testing before launch.
16Operations
Cash, card and mixed payments in a POS
How payment methods are recorded and why their total must match the fiscal receipt.
17Operations
Inventory, stock and reports: what a POS should provide
From item movement to the daily report: connecting operational data with fiscal sales.
18Security & data
Operators, roles and the POS audit trail
Why each employee needs personal access and how discounts, corrections and configuration changes are documented.
19By business
Managing multiple points of sale in one system
Organize branches, POS devices, operators, items, stock and reports while preserving local accountability.
20By business
POS and fiscalization for restaurants, bars and cafés
Organize items, orders, payments and fiscal receipts without slowing service.
21By business
POS and fiscalization software for retail in Kosovo
A guide to items, barcodes, stock, returns, operators and fiscal receipts in retail.
22Fiscal receipt
Printed and electronic fiscal receipts in Kosovo
When a receipt is printed, when electronic delivery may be used and what the system should retain.
23Operations
Desktop, tablet or phone: choosing a device for SEF
Choose point-of-sale hardware based on volume, space, printers and the way your team works.
24Security & data
Data security and digital signatures in SEF
How communication, receipts and the audit trail are protected in electronic fiscal software.
25Fiscal registers & SEF
SEF certification: what a business should know
The difference between developer, maintainer, software solution and the responsibilities of the business issuing receipts.
26Fiscal receipt
Corrective receipts: why the original reference matters
How a correction trail is preserved and why a completed sale should not simply disappear from the system.
27Fiscal receipt
How to verify a fiscal receipt in the ATK system
Learn how a QR code or NUIKF is used to check a fiscal receipt’s status and details.
28Operations
Offline fiscalization: what happens without internet
How sales continue, how receipts are stored and what a business should do when its internet connection is interrupted.
29Fiscal receipt
Fiscal receipt, QR code and NUIKF: what they mean
A practical explanation of the elements that make a Kosovo fiscal receipt identifiable and verifiable.
30Fiscal registers & SEF
How does SEF work for businesses in Kosovo?
Understand Electronic Fiscal Software (SEF), its relationship to fiscal registers and PEF, ATK reporting and fiscal receipts in Kosovo.