| Quarter | Period | Due Date |
|---|---|---|
| Q1 | April – June | 31st July |
| Q2 | July – September | 31st October |
| Q3 | October – December | 31st January |
| Q4 | January – March | 31st May |
| Return Type | Act / Portal | Due Date |
|---|---|---|
| Annual PT Return (Form 5) | Karnataka PT Act 1976 · e-Prerana | 30th April |
| PTEC (Enrolled Person) | Flat annual fee — nature-of-business basis | 30th April |
| Register | Frequency |
|---|---|
| Muster Roll & Leave Register | Daily |
| Wage Register | Monthly |
| Overtime Register | Monthly |