Key Dates - April 2011
| Date | Category | Description |
| 5 April | PAYE |
|
| 7 April | Terminal Tax |
|
| 7 April | Terminal Student Loan Repayment |
|
| 7 April | Qualifying Company Election Tax |
|
| 7 April | FBT |
|
| 20 April | PAYE |
|
| 20 April | RWT |
|
| 20 April | Approved Issuer Levy |
|
| 20 April | N-RWT / Approved Issuer Levy |
|
| 20 April | Gaming Machine Duty |
|
| 20 April | Foreign Dividend Withholding Payment |
|

