frequently asked questions

When is my GST due?

Well, it depends!

If you’re two monthly odd (most common) it’s due every:

28 June

28 August

28 October

15 January

28 February

7 May

If you’re two monthly but even months it’ll be due:

28 May

28 July

28 September

28 November

28 January

28 March

If your GST is 6 monthly, it really depends, but most likely:

7 May

28 October

And if it’s monthly:

28 May

28 June

28 July

28 August

28 September

28 October

28 November

15 January

28 January

28 February

28 March

7 May

How do I know which GST filing frequency I’m on?

Your GST frequency is shown in your myIR account. I can also check your settings and recommend the best frequency for your cashflow and admin load.

What can I claim GST on?

You can generally claim GST on business-related expenses, including supplies, software, subscriptions, vehicle costs, and equipment. You can’t claim GST on interest, bank fees, personal spending, fines, or private use portions.

When is my income tax due?

If you use Trailblazer Accountants ( or another registered tax agent), your income tax is generally due:

• 7 April of the following tax year

• Provisional tax clients have additional instalments (see below).

When is my provisional tax due?

If you’re on the standard method, with a 31 March balance date:

• 28 August

• 15 January

• 7 May

Do I have to pay provisional tax?

You may need to pay provisional tax if your Residual Income Tax (RIT) is over $5,000. I can calculate this for you and help structure payments to avoid use-of-money interest.