01
Document overview
A step-by-step manual for the e-invoicing service-provider accreditation lifecycle: access, submission and amendment, withdrawal, additional information, test results and post-accreditation actions.
02
Scope and exclusions
Applies to
For companies seeking accreditation and their authorised legal, operational, information-security and technical teams.
Limitations and exclusions
The Tax Authority updates this material. Before an application or technical implementation, verify the current version, mandatory fields, onboarding phase and governing instruments. This record does not replace the portal or an individual confirmation from the authority.
04
Official source
Oman Tax Authority · Service Provider Registration User Manual · Version 2.0 · 64 pages · Oman Tax Authority
September 13, 2026
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