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GCC Tax & Policy Calendar
Future-dated tax implementation milestones, official compliance deadlines and announced policy targets—separated by legal status so a proposal is never presented as enacted law.
Only reviewed future milestones appear in the results. You can select any GCC jurisdiction; an empty result does not mean that no change will occur. Dates are never inferred from rumours, market commentary or unpublished expectations.
| Date | Jurisdiction | Topic | Status | Milestone | Who it affects | Source |
|---|---|---|---|---|---|---|
| Beginning of 2028Effective date | Oman | Personal income tax | Enacted | Personal Income Tax Law enters into force Royal Decree 56/2025 introduced a 5% tax on taxable income for natural persons whose total annual income exceeds OMR 42,000, subject to the income categories and conditions in the law. | Natural persons within the scope and thresholds of the Personal Income Tax Law. | Oman Tax Authority Tax Authority announcement on PIT Law |
Calendar methodology
Dates with legal context, not just dates
Public sources only.
Entries are tied to official ministries, tax authorities or other public bodies. Secondary commentary is not used as the evidentiary source for a calendar row.
Status matters.
Effective dates, compliance deadlines, official rollout dates and target years are labelled separately. Proposed measures remain visibly proposed until the public legal record changes.
No forced symmetry.
The calendar does not manufacture one item per GCC country. Coverage expands when a future-dated public milestone is verified and reviewed.