Key tax dates: November 2026 to April 2027

The final months of the year are busy for most businesses, and the tax calendar is no exception. We've outlined the key tax dates November 2026 to April 2027 so you can remain in control over the holiday season, for your GST, PAYE and provisional tax deadlines, all alongside end-of-year trading, staff annual leave and Christmas.

To help you stay organised, we’ve outlined the essential tax dates from November 2026 to April

2027. Missing a date can mean late payment penalties and interest, which can put a strain on cash flow. Getting your paperwork sorted early means you can close for the break knowing your obligations are covered.

If you’d like help staying on top of these dates, planning for upcoming payments or managing cash flow over the holiday period, get in touch with our team.

Key Tax Dates by Month 

Expected Due Date	Details
05 Nov	Employer deductions payment due for 16 to 31 October for large employers.
20 Nov	Employer deductions payment due for 1 to 15 November for large employers.
20 Nov	Employer deductions payment due for October for small to medium employers.
30 Nov	Your GST return and payment is due for the taxable period ending 31 October.
30 Nov	AIM instalments are due if you file GST monthly and have a March balance date.
05 Dec	Employer deductions payment due for 16 to 30 November for large employers.
21 Dec	Employer deductions payment due for 1 to 15 December for large employers.
21 Dec	Employer deductions payment due for November for small to medium employers.
31 Dec	Deadline to apply for Fees Free for qualifications and programmes completed in 2025.
31 Dec	Fees Free ends. You must complete your qualification or programme by this date to be eligible.
15 Jan	Your GST return and payment is due for the taxable period ending 30 November.
15 Jan	Employer deductions payment due for 16 to 31 December for large employers.
15 Jan	Interim student loan repayments are due. They count towards your end-of-year repayment obligation.
15 Jan	Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
15 Jan	AIM instalments are due if you have a March balance date.
20 Jan	Your FBT quarterly return and payment are due for the period ending 31 December if you have a March balance date.
20 Jan	Employer deductions payment due for 1 to 15 January for large employers.
20 Jan	Employer deductions payment due for December for small to medium employers.
28 Jan	Your GST return and payment is due for the taxable period ending 31 December.
28 Jan	AIM instalments are due if you file GST monthly and have a March balance date.
05 Feb	Employer deductions payment due for 16 to 31 January for large employers.
08 Feb	Your FBT income year return and payment are due if you have a March balance date and no extension of time.
08 Feb	End-of-year student loan repayments are due. If you have an amount to pay, you'll have received a letter or text message from us.
09 Feb	End-of-year income tax and Working for Families bills are due, unless your tax agent has an extension of time to file your income tax return.
20 Feb	Employer deductions payment due for January for small to medium employers.
22 Feb	Employer deductions payment due for 1 to 15 February for large employers.
01 Mar	Your GST return and payment is due for the taxable period ending 31 January.
01 Mar	Provisional tax payments are due if you have a March balance date and use the ratio option.
01 Mar	AIM instalments are due if you have a March balance date.
05 Mar	Employer deductions payment due for 16 to 28 February for large employers.
22 Mar	Employer deductions payment due for February for small to medium employers.
22 Mar	Employer deductions payment due for 1 to 15 March for large employers.
30 Mar	Your GST return and payment is due for the taxable period ending February.
30 Mar	AIM instalments are due if you file GST monthly and have a March balance date.
31 Mar	Overseas-based student loan repayment due if you do not have a temporary repayment suspension.
31 Mar	Final date for ratio option provisional tax applications.
01 Apr	We add an administration fee to student loans to help pay for some of the ongoing costs of administering the loan
05 Apr	Employer deductions payment due for 16 to 31 March for large employers.
07 Apr	Your FBT income year return and payment are due if you have a March balance date and a valid extension of time.
07 Apr	End-of-year student loan repayments are due if you have a tax agent with a valid extension of time.
07 Apr	End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return.

Last reviewed for accuracy 3 November 2026

Disclaimer: The information provided in this article is general in nature and does not constitute personalised tax advice. You should consult with Business Studio before making decisions based on this content.