A brief guide for direct registration to the Electronic Invoice System is available for download below:
Brief instructions for direct registration to the Electronic Invoices System
- Instructions
Instructions
- Video instructions
- Instructions for direct application to SEF
- Instructions for connecting to SEF via API
- Generate API key
- Updated internal technical manual (06.05.2025.)
- Tax categories for electronic invoices
- Instructions for using XML files (05.06.2023.)
- Updated examples of XML files according to the UBL 2.1 standard (07.06.2023.)
- XML document validation service (UBL 2.1 standard)
- Examples of JSON files for Individual VAT records
- Electronic recording of VAT calculations in SEF
- EEO VAT in the Electronic Invoice System until September 1st
- Contact
Frequently asked questions
- Current events
- Documents
Documents on the operation of the e-invoice system
Laws
Regulations
- Regulation on the procedure and conditions for granting and withdrawing consent to perform the activities of an information intermediary
- Regulation on the conditions and manner of storing and making available electronic invoices
- Regulation on the conditions and manner of using the invoice management system
- Services
- Information broker
Request for consent
Register of information intermediaries
Contact form
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Keep in touch
Contact center: 011 7777 600
Q:
A:
Instructions for direct application to SEF
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