5 May
PAYE

• Payment due for large employers for the period 16 April to 30 April
• File employment information within 2 working days after payday

7 May
GST

• Return and payment due for period ended 31 March

7 May
Provisional Tax – Ratio Option

• 1st instalment (January balance date)
• 2nd instalment (November balance date)
• 3rd instalment (September balance date)
• 4th instalment (July balance date)
• 5th instalment (May balance date)
• 6th instalment (March balance date)

7 May
Provisional Tax – Standard or Estimation Option and/or 1 or 2 monthly GST filing & Student Loan Interim Payments

• 1st instalment (November balance date)
• 2nd instalment (July balance date)
• 3rd instalment (March balance date)

7 May
Provisional Tax – Six Monthly GST Filing

• 1st instalment (September balance date)
• 2nd instalment (March balance date)

20 May
PAYE

• Payment due for small employers for the period 1 April to 30 April
• Payment due for large employers for the period 1 May to 15 May
• File employment information within 2 working days after payday

20 May
RWT

• RWT Return and payment due for deductions from dividends and deductions of $500 or more from interest paid during April

20 May
N-RWT / Approved Issuer Levy

• Payment and Return due for either preceding months’ Non-Resident Withholding Tax or Approved Issuer Levy

20 May
Gaming Machine Duty

• Return (IR680) and payment due for the month ended 30 April

28 May
GST

• Return and payment due for the period ended 30 April

28 May
Provisional Tax – Ratio Option

• 1st instalment (February balance date)
• 2nd instalment (December balance date)
• 3rd instalment (October balance date)
• 4th instalment (August balance date)
• 5th instalment (June balance date)
• 6th instalment (April balance date)

28 May
Provisional  Tax – Standard or Estimation Option and or 1 or 2 monthly GST filing & Student Loan Interim Payments

• 1st instalment (December balance date)
• 2nd instalment (August balance date)
• 3rd instalment (April balance date)

28 May
Provisional Tax – Six monthly GST filing

• 1st instalment (October balance date)
• 2nd instalment (April balance date)

31 May
RWT

• Annual reconciliation statements (IR15S, interest and IR17S or 17SA) due for the year ended 31 March

31 May
FBT

• FBT return (IR420) and payment due for employers for the quarter ending 31 March (if completed on a quarterly basis)
• FBT return (IR422) and payment due for employers for the year ended 31 March (If completed on an annual basis). Employers who provide no fringe benefits are to file an annual Nil return (IR419), unless the CIR has waived this requirement