5th May
•       PAYE returns for 16th – 30th April 2012 (twice-monthly filers)

7th May
•       March GST Return and Payment Due
•       Final Provisional Tax Due for 2012

20th May  
•       PAYE returns for April 2012 (monthly filers)
•       PAYE returns for 1st – 15th May 2012 (twice-monthly filers)
•       RWT on interest, dividends and royalties paid in May 2012 for monthly payers
•       NRWT deducted in April 2012 (monthly filers)

28th May     
•       April GST Return and Payment Due

 

 Other Important dates to be aware of

28-Feb	Provisional tax payments due for ratio option customers
31-Mar	Student loan repayments due for overseas-based borrowers
31-Mar	Final date for ratio option provisional tax applications
07-Apr	Tax payments if you have an extension of time
30-Apr	Received your tax credit claim form for donations or childcare?
07-May	GST Return and Payment Due, Final Provisional Tax Due
28-Jun	Provisional tax payments due for ratio option customers
07-Jul	Due date for income tax returns
28-Aug	Provisional tax and student loan interim payments due
30-Sep	Student loan repayments due for overseas-based borrowers
28-Oct	Provisional tax payments due for ratio option customers
15-Jan	Provisional tax and student loan interim payments due
07-Feb	Tax payments due

Click here to visit the IRD website for more information about important dates. The full 2013 Tax year calendar from the IRD website is also available here for your convenience.