Calculators

The tax withheld calculator (TWC) proof of concept schematron implementation will not be updated for Tax Time 2017. You can still access information on Tax withheld calculators and the statement of...
Current from: 30 Mar 2017
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...
Current from: 7 Mar 2017
The following tests cover the calculations for the: 2013-14 weekly, fortnightly and monthly pay as you go (PAYG) withholding (NAT 1004) Higher Education Loan Programme (HELP) (NAT 2335)...
Current from: 23 Feb 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-...
Current from: 22 Feb 2017