2026 Official Tax and Declaration Calendar (Full List)
| Tax / Declaration Type | Declaration Period | Deadline (Declaration & Payment) |
| MVT (1st Installment) | January | 2 February 2026* |
| Annual Income Tax | 1 – 31 March | 31 March 2026 |
| Annual Corporate Tax | 1 – 30 April | 30 April 2026 |
| 1st Quarter Advance Tax | 1 – 18 May | 18 May 2026* |
| 2nd Quarter Advance Tax | 1 – 17 August | 17 August 2026* |
| MVT (2nd Installment) | July | 31 July 2026 |
| 3rd Quarter Advance Tax | 1 – 17 November | 17 November 2026 |
| 4th Quarter Advance Tax | 1 – 17 February (2027) | 17 February 2027 |
Recurring Monthly (Routine) Declarations
| Declaration Type | Last Filing Day | Last Payment Day |
| VAT (Value Added Tax) | 28th of the following month | Same day as declaration |
| Withholding and Premium Service | 26th of the following month | Same day as declaration |
| Stamp Duty | 26th of the following month | Same day as declaration |
| BSMV (Banking and Insurance Transaction Tax) | 15th of the following month | Same day as declaration |
| SCT (Special Consumption Tax – List I) | 10th and 25th of each month | Same day as declaration |
| Digital Services Tax | Last day of the following month | Last day of the following month |