What is a CSID in ZATCA e-invoicing?
Table of Contents
A Cryptographic Stamp Identifier (CSID) is a cryptographic certificate associated with an Electronic Generation Solution Unit.
It provides the electronic identity used by the EGS for authenticated communication with ZATCA and for cryptographically stamping applicable invoices. ZATCA's technical guidance describes the CSID as a credential used for authenticated signing and encryption of communication.
The CSID is associated with an individual EGS or solution unit rather than simply being a general certificate for an entire company. The onboarding process therefore captures information about the particular solution unit, including its identifier, serial number and location.
Key points
- CSID means Cryptographic Stamp Identifier.
- It is a cryptographic certificate.
- It identifies an EGS or solution unit.
- It supports authenticated communication with ZATCA.
- It is used for cryptographic stamping of applicable Simplified Tax Invoices.
- CSIDs are part of the Reporting and Clearance API authentication process.
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