| May | |
| 12 | ACT | Quarter 3 activity statements - final date for electronic lodgment & payment |
| |
| 21 | FBT | 2012 return final date for lodgment & payment if required |
| |
| 21 | ACT | April monthly activity statements - final date for lodgment and payment. |
| |
| 28 | SUP | Superannuation guarantee charge statement - quarterly for quarter 3 2011-12 - final date for lodgment and payment. |
| |
| June | |
| 21 | ACT | May 2012 monthly activity statements - final date for lodgment and payment |
| |
| 30 | PAY | End of financial year |
| |
| July | |
| 14 | PAY | Payers must issue PAYG withholding payment summaries to payees (employees and other workers). |
| |
| 21 | ACT | June 2011 monthly activity statements - final date for lodgment and payment |
| |
| 28 | GST | Quarter 4 (April - June 2011) instalment notices (forms S and T) - final date for payment and, if varying the instalment amount, lodgment. |
| |
| 28 | SUP | Superannuation guarantee contributions for quarter 4 2010-11 (1 April - 30 June) are to be made to the fund by this date. |
| |
