Jan 31, 2020
| Date | Category | Description |
| 5 February | PAYE | Large employers’ payment due. File employment information within two working days after payday. |
| 20 February | PAYE | Small and large employers’ payment due. File employment information within two working days after payday. |
| 20 February | RWT | RWT return and payment due for deductions from dividends and deductions of $500 or more from interest paid during January. |
| 20 February | N-RWT / Approved Issuer Levy | Payment and return for January. |
| 28 February | GST | Payment and return for January. |