The request sought the financial implications of the 2018-19 Budget measure Personal Income Tax Plan and the 2019-20 Budget measure Lower taxes for hard-working Australians: Building on the Personal Income Tax Plan, by component and start date.

The components of the 2018-19 Budget measure are as follows:

• Introduce the low and middle income tax offset (LMITO) of up to $530 for individuals with taxable incomes up to $125,333 for the 2018-19, 2019-20, 2020-21 and 2021-22 income years.
• Increase the upper threshold for the 32.5 per cent marginal tax rate from $87,000 to $90,000 from 1 July 2018.
• Increase the upper threshold for the 32.5 per cent marginal tax rate from $90,000 to $120,000 from 1 July 2022.
• Increase the upper threshold for the 19 per cent marginal tax rate from $37,000 to $41,000 from 1 July 2022.
• Increase the low income tax offset (LITO) from $445 to $645 for taxable incomes up to $66,667 from 1 July 2022.
• Remove the 37 per cent marginal tax rate, and increase the lower threshold for the 45 per cent tax bracket from $180,000 to $200,000 from 1 July 2024.

The components of the 2019-20 Budget measure are as follows:

• Increase the LMITO maximum amount from $530 to $1,080 and increase the base amount from $200 to $255 per annum for the 2018-19, 2019-20, 2020-21 and 2021-22 income years.
• Increase the upper threshold for the 19 per cent marginal tax rate from $41,000 to $45,000 from 1 July 2022.
• Increase LITO from $645 to $700 from 1 July 2022.
• Decrease the 32.5 per cent marginal tax rate to 30 per cent from 1 July 2024.

The request also sought the annual aggregate cost for each Budget measure relating to individuals with taxable incomes greater than $180,000 in each year.