Treasury Laws Amendment (Strengthening Accountability for Tax Adviser Misconduct and Other Measures) Bill 2026

Amends the:

• Tax Agent Services Act 2009 to expand the Tax Practitioners Board’s regulatory penalty powers
• Income Tax Assessment Act 1997 , International Tax Agreements Act 1953 and Taxation Administration Act 1953 to amend the foreign resident capital gains tax (CGT) regime, including by clarifying and broadening the foreign resident CGT tax base by introducing a definition of ‘real property’
• Income Tax (Transitional Provisions) Act 1997 to provide a transitional 50 per cent CGT discount for certain foreign residents who dispose of Australian renewable energy assets
• Competition and Consumer Act 2010 to amend the operation of the mandatory and suspensory merger control regime
• Competition and Consumer Act 2010 and Productivity Commission Act 1998 to give effect to the National Competition Principles (NCP) as contained in the 2024 NCP Agreement
• Income Tax Assessment Act 1997 to update the list of deductible gift recipients
• Anti-Money Laundering and Counter-Terrorism Financing Act 2006 , Income Tax Assessment Act 1997 and Taxation Administration Act 1953 to rename public and private ancillary funds as public and private giving funds
• Taxation Administration Act 1953 to make minor and technical amendments. Also repeals the Taxation Administration (Remedial Power—Foreign Resident Capital Gains Withholding) Determination 2017 .

Summary from the official bill homepage.