Dates you may need to be aware of to pay your taxes on time.
Your filing dates For 2018
| Date | Description |
| 28 February | GST return and payment for the period ended January |
| 7 April | Terminal tax payment (if any) |
| 7 May | Provisional tax third instalment GST return and payment for the period ended March |
| 31 May | FBT quarterly return and payment for period January to March |
| 28 June | GST return and payment for the period ended May |
| 20 July | FBT quarterly return and payment for period April to June |
| 28 August | Provisional tax first instalment GST return and payment for the period ended July |
| 20 October | FBT quarterly return and payment for period July to September |
| 29 October | GST return and payment for the period ended September |
July 2017
| Date | Category | Description |
| 5 July | PAYE | - Employer monthly schedule (IR 348) due for large employers - Employer deductions (IR 345) form and payment due for large employers for the period 16 June to 30 June |
| 7 July | Income Tax Returns | Tax returns for the year ended 31 March are to be filed by taxpayers (without a tax agent) with balance dates between 1 October and 31 March: Individuals (IR3) Companies & Unit Trusts (IR4) Estates or Trusts (IR6) Partnerships (IR7) Clubs & Societies (IR9) Superannuation Funds (IR44) |
| 7 July | Annual Returns | Last day for taxpayers (without a tax agent) with balance dates 1 October and 31 March to also file: Imputation return Dividend withholding payment return Branch equivalent tax account return Policyholder credit account return Company dividend statement Student loan form SL9 |
| 20 July | PAYE | Employer monthly schedule (IR 348) due for small employers Employer deductions (IR 345) form and payment due for small employers for the period 1 June to 30 June Employer deductions (IR 345) form and payment due for large employers for the period 1 July to 15 July |
| 20 July | RWT | RWT Return and payment due for deductions from dividends and deductions of $500 or more from interest paid during June |
| 20 July | N-RWT / Approved Issuer Levy | Payment and Return due for either preceding months' Non-Resident Withholding Tax or Approved Issuer Levy |
| 20 July | FBT | FBT return (IR420) and payment due for employers for the quarter ending 30 June (if completed on a quarterly basis) |
| 20 July | Gaming Machine Duty | Return (IR680) and payment due for the month ended 30 June |
| 20 July | Foreign Dividend Withholding Payment | IR4F return and payment due for foreign dividends received in the quarter ending 30 June |
| 28 July | GST | Return and payment due for the period ended 30 June |
| 28 July | Provisional Tax - Ratio Option | 1st instalment (April balance date) 2nd instalment (February balance date) 3rd instalment (December balance date) 4th instalment (October balance date) 5th instalment (August balance date) 6th instalment (June balance date) |
| 28 July | Provisional Tax - Standard or Estimation Option and/or 1 or 2 monthly GST filing & Student Loan Interim Payments | 1st instalment (February balance date) 2nd instalment (October balance date) 3rd instalment (June balance date) |
| 28 July | Provisional Tax - Six monthly GST filing | 1st instalment (December balance date) 2nd instalment (June balance date) |
August 2017
| Date | Category | Description |
| 7 August (due to 5th falling on a weekend) | PAYE | Employer monthly schedule (IR 348) due for large employers Employer deductions (IR 345) form and payment due for large employers for the period 16 July to 31 July |
| 7 July7 August | Annual Returns | Due date for annual returns for taxpayers (without a tax agent) that have an April balance date Income tax return Imputation return Dividend withholding payment return Branch equivalent tax account return Policyholder credit account return Company dividend statement Student loan form SL9 |
| 7 July | Annual Returns | Last day for taxpayers (without a tax agent) with balance dates 1 October and 31 March to also file: Imputation return Dividend withholding payment return Branch equivalent tax account return Policyholder credit account return Company dividend statement Student loan form SL9 |
| 21 August (due to 20th falling on a weekend) | PAYE | Employer monthly schedule (IR 348) due for small employers Employer deductions (IR 345) form and payment due for small employers for the period 1 July to 31 July Employer deductions (IR 345) form and payment due for large employers for the period 1 August to 15 August |
| 21 August (due to 20th falling on a weekend) | RWT | RWT Return and payment due for deductions from dividends and deductions of $500 or more from interest paid during July |
| 21 August (due to 20th falling on a weekend) | N-RWT / Approved Issuer Levy | Payment and Return due for either preceding months' Non-Resident Withholding Tax or Approved Issuer Levy |
| 28 August | GST | Return and payment due for period ended 31 July |
| 28 August | Provisional Tax - Ratio Option | 1st instalment (May balance date) 2nd instalment (March balance date) 3rd instalment (January balance date) 4th instalment (November balance date) 5th instalment (September balance date) 6th instalment (July balance date) |
| 28 August | Provisional Tax - Standard or Estimation Option and/or 1 or 2 monthly GST filing & Student Loan Interim Payments | 1st instalment (March balance date) 2nd instalment (November balance date) 3rd instalment (July balance date) |
| 28 August | GST | Return and payment due for the period ended 30 June |
| 28 August | Provisional Tax - Six monthly GST filing | 1st instalment (January balance date) 2nd instalment (July balance date) |