Income tax Dates
APR 7End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return.
MAY 7Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
JUN 28Provisional tax payments are due if you have a March balance date and use the ratio option.
Payers of investment income can keep using the existing reporting rules until 1 April 2020. All businesses and organisations will need to follow the new rules from that date.