Mandatory e-invoicing in the Czech Republic
The Czech Republic currently applies mandatory e-invoicing only in the B2G sector, but plans to extend it to domestic B2B transactions as part of the reform of the VAT system and implementation of the requirements of the EU 's "VAT in the Digital Age" (ViDA) package.
Already, all invoices to the government must be sent in a structured format, and companies use the national ISDOC platform or integrated solutions from private operators.
According to the Czech Ministry of Finance:
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in the first stage, it will be made mandatory for all companies to receive e-invoices,
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in the next - the obligation to issue e-invoices in B2B relations, planned to be launched in 2026-2027.
The aim of the reform is to increase the automation of billing, reduce the VAT gap and prepare for the EU ViDA regulations.
Our solution provides full integration with the Czech e-invoicing ecosystem, enabling secure issuance and receipt of e-invoices and meeting future regulatory requirements.
Guide to e-invoicing
Navigating the regulations for the National e-Invoicing System can be a challenge, but with the right knowledge, compliance becomes easy. Our comprehensive eBook on e-invoicing in Poland and around the world contains everything you need to implement seamless e-invoicing, ensure compliance and optimize your financial processes.
E-invoicing standards in the Czech Republic
The Czech Republic has the ISDOC format, which is the national standard for structured e-invoices used in B2G and B2B relationships. The system is based on XML structures compliant with the European standard EN 16931, which enables automatic processing and validation.
Electronic invoices can be sent both through national platforms of private operators and, in the future, through a planned central e-invoicing gateway to support B2B exchanges.
The main components of the system are:
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ISDOC - a Czech e-invoicing standard based on XML, compliant with EN 16931, used in the public and private sectors,
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Private operators - e-invoicing service providers enabling the sending and receiving of invoices in ISDOC format,
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EN 16931 compliant formats (e.g., UBL) - planned to be implemented as part of future B2B e-invoicing obligation,
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Peppol - optional network used mainly for international B2B transactions; some Czech suppliers are accredited Peppol Access Points.
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Will foreign entities registered for VAT in Poland also be required to issue e-invoices?
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Will all sales invoices have to be issued as e-invoices, or only those for domestic contractors?
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Will it be possible to send invoices (individually or in bulk) without using the API, through an interface accessible to employees?
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Will the invoice issuer be able to download the invoice image from KSeF to print or email to the contractor?
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How will attachments to invoices, such as energy consumption reports or protocols, be provided to contractors?
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Can the retention period for invoices be extended, and if not, how should they be stored after 10 years?
