From 1 January 2027, mandatory e-invoicing will be introduced in Slovakia. This means that the way businesses exchange invoices will change. Sending paper invoices or PDF invoices by email will no longer be considered an official delivery of an invoice. PDF invoices may still be used as a supplement, for example if you want to send your customer a clear invoice with a payment QR code, notes or additional information that is not officially included in an e-invoice. However, the invoice will also need to be sent as an e-invoice through the official electronic channel.
In the initial phase, mandatory e-invoicing will not apply to invoicing abroad. Likewise, you will not be required to issue an e-invoice to a customer who is not a business entity. The change mainly applies to domestic invoices between Slovak businesses. For foreign invoices and private individuals, the current invoicing method may continue to be used, while further developments will depend on legislative decisions.
An e-invoice is not a PDF file. It is an electronic invoice in a specific structured format that systems can automatically send, receive and process. Data from an e-invoice does not need to be manually retyped, as the system can process it automatically. This approach introduces a unified and controlled way of exchanging invoices between businesses.
The good news is that if you use Faktury online, the way you issue invoices will not change significantly. You will create invoices the same way as before, in a familiar environment and without complex settings. There is no need to learn a new system or deal with technical details. If you do not yet have an account in Faktury online, we recommend creating one today and starting to issue invoices in advance.
The only new requirement will be the need to designate a so-called digital postman through which e-invoices will be officially sent and received. This area is currently still in preparation and the final rules are being clarified. Faktury online actively monitors these changes and will be ready as soon as the exact conditions are known.
In practice, this means that your habits when issuing and sending invoices do not have to change significantly. You will still be able to send PDF invoices to your customers as you are used to, while the system will ensure their official electronic delivery as e-invoices.
Mandatory e-invoicing does not only apply to issuing invoices, but also to receiving them. Every business will be required to have a designated place where e-invoices are officially delivered and received. This will no longer be an email inbox or paper invoices, but an electronic location intended exclusively for receiving e-invoices.
Such a place can be provided directly within Faktury online. By using our system, all received e-invoices will be clearly displayed in one place, without the need for manual retyping or checking. Faktury online therefore serves not only for issuing invoices, but also as an official inbox for receiving e-invoices.
Mandatory e-invoicing mainly applies to VAT payers who will be required to send e-invoices, but in practice it will affect almost every business. If you receive invoices from VAT-registered suppliers, which is the case for most businesses for services such as telephone, internet or utilities, you will need to be able to receive these e-invoices electronically. That is why it is important to have a system prepared in advance.
We continuously monitor legislative and technical developments. Mandatory e-invoicing is currently still in the preparation and clarification phase, but we are gradually adapting the Faktury online system to official information so that it will be fully ready in time. Our goal is for you not to have to worry about e-invoicing and to have everything handled automatically.
If you do not yet have an account in Faktury online, register today. You will be prepared for mandatory e-invoicing from 2027 without stress, confusion or last-minute solutions. Create an account in Faktury online and have your e-invoice solution ready in time.
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