The Isle of Man Cabinet Office has issued a notice confirming that the corporate income tax return deadline for the period ending 31 December 2023 is 2 January 2025. --- Deadline for corporate income tax returns for accounting periods ended 31 December 2023 Corporate taxpayers are advised that the effective final deadline for submission of income tax returns for accounting periods ended 31 December 2023 is midnight on Thursday 2 January 2025. The due date is Wednesday 1 January 2025 but as the Income Tax Division is closed on that date, returns will not be considered late provided that the...