What the Senate debated on 29 June 2026: tax reform bills, secrecy provisions, and financial reporting reform

The short answer

the Senate debated on 29 June 2026: tax reform bills, secrecy provisions, and financial reporting reform

On Monday 29 June 2026, the Senate sat under the presidency of Senator Sue Lines. The day's proceedings were dominated by debate on three government Treasury bills: the Secrecy Provisions Amendment (Sunsetting Provision) Bill 2026, which passed its second and third readings; the Treasury Laws Amendment (Delivering an Efficient and Trusted Tax System) Bill 2026; and the Treasury Laws Amendment (Financial Reporting System Reform) Bill 2026. Senators also dealt with committee reports, senators' statements, questions without notice, and a matter of public importance.

This is a method for assessing public claims, not a verdict on a party or a direction on how to vote. Conclusions should change when the underlying law, data or implementation evidence changes.

The useful question is not only “what is the rule?” but also “who administers it, which document controls it, and when might it change?” That distinction prevents an accurate general explanation from becoming wrong advice in a particular election, chamber or policy setting.

Evidence review

Opening of the sitting

The Senate met at 10:00 am on Monday 29 June 2026, with President Sue Lines taking the chair, making an acknowledgement of country, and reading prayers. The day began with the tabling of documents, followed by committee reports and the moving of motions which included several committee reports. The formal opening is a standard procedural sequence that sets the parliamentary day in motion and allows senators to place official material on the record before moving into substantive legislative business.

Evidence review

Secrecy Provisions Amendment (Sunsetting Provision) Bill 2026

The Senate debated and passed the Secrecy Provisions Amendment (Sunsetting Provision) Bill 2026. According to the Hansard record, senators who spoke on the second reading included Senator Dean Smith, Senator David Shoebridge, Senator Jessica Collins, and Senator Nita Green. The bill subsequently passed its third reading, with President Sue Lines putting the question and Senator Nita Green also contributing to the debate.

The bill appeared to draw cross-party engagement, with senators from multiple political groupings contributing to the debate. The passage of this bill through both second and third readings in a single sitting day suggests a degree of consensus on the measure, though the Hansard transcript records the full range of views expressed by each senator.

Evidence review

Treasury Laws Amendment (Delivering an Efficient and Trusted Tax System) Bill 2026

The Senate resumed consideration of the Treasury Laws Amendment (Delivering an Efficient and Trusted Tax System) Bill 2026. Senator Matthew Canavan (Leader of the Nationals in the Senate) opened debate on the resumed second reading, indicating the Coalition's support for many of the bill's measures while strongly criticising the government's approach to tax policy more broadly.

According to the Hansard transcript, Senator Canavan claimed that the government had 'just passed the biggest tax grab in Australia's history, based on a lie to the Australian people'. He argued the bill's title — referring to a 'trusted tax system' — was at odds with what he characterised as broken election promises on capital gains tax, negative gearing, and trust structures. Senator Canavan said the government had 'explicitly told the Australian people they would not increase taxes on capital gains, on trusts, on negative gearing and then, within a year, turned around and broke that trust'.

Other senators speaking on the bill included Senator Lisa Darmanin, Senator Sarah Hanson-Young, Senator Kerrynne Liddle, and Senator Jana Stewart. Each senator contributed their perspective on the bill's provisions and the broader tax policy framework.

Evidence review

Treasury Laws Amendment (Financial Reporting System Reform) Bill 2026

The Senate also debated the Treasury Laws Amendment (Financial Reporting System Reform) Bill 2026. Senators contributing to the second reading debate included Senator Matthew Canavan, Senator Lisa Darmanin, Senator Barbara Pocock, Senator Susan McDonald, and Senator Kerrynne Liddle.

The presence of this bill alongside the tax system bill on the same day's Notice Paper reflects the government's legislative program focusing on Treasury portfolio measures during this sitting period. Both bills form part of a broader package of Treasury legislation being progressed through the Parliament.

Evidence review

Question time and other proceedings

The day's proceedings also included questions without notice, where senators questioned ministers on government policies and administration. The Hansard record shows additional answers to questions without notice were tabled, and senators then moved to take note of answers — a procedural mechanism that allows further debate on issues raised during question time.

A matter of public importance was also debated, along with various notices of motion, committee-related business, and documents tabled throughout the sitting. The Senate adjourned following consideration of further bills and committee business.

Evidence review

Key themes and observations

The 29 June sitting reflected the Senate's role as a house of review, with detailed debate on complex Treasury legislation. The exchanges between government and opposition senators on tax policy highlighted ongoing contention over the government's tax reform agenda, particularly around trust, promise-keeping and the direction of the tax system.

The successful passage of the Secrecy Provisions Amendment Bill through both second and third readings demonstrates that the Senate can move efficiently when there is cross-party agreement on legislation, even during a period of broader political contestation over tax policy.

Common questions

Before you rely on the answer