The chorus of detractors hasn’t faded since budget night, but has risen to a full-throated roar just as the treasurer introduced the tax legislation to federal parliament.

A day before Labor puts forward its tax changes in parliament, Chalmers has defended a policy that has opened up a political brawl on wealth creation and economic growth.

Treasurer Jim Chalmers introduced what he called a "bill for workers, first home buyers and future generations" to parliament.

The chorus of detractors hasn’t faded since budget night, but has risen to a full-throated roar just as the treasurer introduced the tax legislation to federal parliament.