Calculators

The Calculation Listing resource contains a table with the necessary calculations for tax and superannuation software. It shows the calculation methods so your software can be enabled to support various calculations. A blank value in the table...

Current from: 9 Nov 2017

The tax withheld calculator (TWC) proof of concept schematron implementation will not be updated for Tax Time 2017.

You can still access information on...

Current from: 30 Mar 2017

The Item A3 calculator allows users to calculate the correct amounts for the A3 labels on the individual tax return. This will ensure they receive the correct amount of government super co-contribution.

The A3 calculation is based on information...

Current from: 22 Feb 2017