Compliance Calendar
Indicative statutory reminders
Dates below are indicative operating reminders, not legal advice. Statutory due dates can change and can vary by taxpayer type and state. Confirm current official due dates before filing.
Last updated 2026-09-01.
| Category | Item | Cadence | Typical due | Note |
|---|---|---|---|---|
| GST | GSTR-1 | Monthly (typical) | 11th of the following month | Periodicity can differ for some taxpayers. |
| GST | GSTR-3B | Monthly (typical) | 20th of the following month | Due dates can vary by category and notification. |
| TDS | TDS deposit | Monthly | 7th of the following month | March deposits often follow a different notified date. |
| PF | PF contribution / ECR | Monthly | 15th of the following month | Confirm current EPFO instructions. |
| ESI | ESI contribution | Monthly | 15th of the following month | Confirm current ESIC instructions. |
| PT | Professional Tax | State-specific | As notified by the state | Tamil Nadu and other states differ. Do not assume one national date. |
| LWF | Labour Welfare Fund | State-specific | As notified where LWF applies | Applicability and cycle vary by state and establishment. |