E-invoicing Generation Solution (EGS) unit
Zakat, Tax and Customs Authority (ZATCA)'s user manual explains how to access the Fatoora Portal to onboard the taxpayer's EGS units.
There, you can see how to
access the Fatoora Portal,
onboard the EGS units for obtaining a CSID, renew or revoke an existing CSID,
and view the list of onboarded EGS units.
Sovos automatically onboards an EGS unit for obtaining a CSID using the Configure Branch method.