Income tax Dates
MAR 31Final date for ratio option provisional tax applications.
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.
Tax codes are different from tax rates.
Tax codes only apply to individuals. They help your employer or payer work out how much tax to deduct before they pay you.
Tax rates are used to work out how much tax you need to pay on your total income for the year, from all sources.
Individuals pay progressive tax rates. This means you pay a graduated amount depending on how much income you get.