Income tax Dates
FEB 7End-of-year income tax and Working for Families bills are due, unless you have an extension of time to file your income tax return.
FEB 28Provisional tax payments are due if you have a March balance date and use the ratio option.
MAR 31Income tax returns are due if you have an extension of time
Trans-Tasman imputation lets Australian companies keep an imputation credit account in New Zealand, and pass on imputation credits to their New Zealand shareholders.
In a similar way, New Zealand companies may also be able to use the Australian franking system.