If you report and pay your BAS quarterly, you must lodge your 1st Quarter July - September report by 28 October. BAS agents have a quarter 1 due date of 25 November.

If you report and pay your BAS quarterly, you must lodge and pay your 4th Quarter April - June report by 28 July. BAS agents have a quarter 4 due date of 25 August.

If you report and pay your BAS quarterly, you must lodge and pay your 3rd Quarter January - March report by 28 April. BAS agents have a quarter 3 due date of 25 May.

If you report and pay your BAS quarterly, you must lodge and pay your 2nd Quarter October - December report by 28 February. BAS agents have a quarter 2 due date of 28 February.