The Oman Tax Authority recently published a reminder on its website and via X on the tax return deadline for taxpayers whose fiscal year ended on 31 December 2024. For taxpayers subject to the standard 15% tax rate, the return deadline is 30 April 2025 (i.e., four months after year-end). For small businesses subject to the 3% flat tax rate, the deadline was 30 March 2025 (i.e., three months a…