Upcoming Tax Instalment Deadlines: 31 Aug 2026: 1st instalment for companies with fiscal years ending 31 Dec 2026. 15 Sept 2026: 2nd instalment for companies with fiscal years ending 30 Sept 2026. Avoid Interest. Instalment Form 002 now open.

Amendments

All amendments have been consolidated in the respective Act, unless noted otherwise. Refer to the Legislation tab.