Due to maintenance scheduled for Sunday 8 March, from 12:30 to 14:00, there will be some service breaks in MyTax. If you are logged in, a short, unexpected interruption might occur, and data may be lost. We recommend using MyTax after the breaks are over. We apologise for any inconvenience.
MyTax
If you are an operator of trade or business (T:mi), an agricultural/forestry operator, select Manage your tax matters in MyTax. When you start with Manage your tax matters, you can access all your tax affairs. Read more: New in MyTax
Corporate income tax returns for tax year 2026 can be filed in MyTax starting on Friday, 13 March 2026.