This ZATCA guideline (Version 3, September 2023) clarifies the procedural framework for taxpayers requesting a formal tax ruling. It outlines the definition and purpose of a tax ruling, eligibility criteria for applicants (both registered and non-registered), and the detailed process for submission using Form R1001. The guide specifies conditions for acceptance, discretionary rejection, and mandatory rejection of requests. It also explains the applicability and binding nature of a ruling for a specific applicant and transaction, confirming that rulings are not subject to objection but can be reconsidered if based on a factual misunderstanding.