The Australian Greens want to scrap some of the most "extreme" aspects of the nation's anti-terror laws.
Greens senator Scott Ludlam reintroduced a bill to the upper house on Wednesday proposing to repeal or amend terrorism laws which undermine human rights.
"The laws that were hastily created in Australia following the crimes of 11 September (2001) need to be reviewed to determine which merit retention and modernisation," he said.
The draft laws would redefine a terrorist act, repeal two sedition offences and change the process of proscribing suspected terrorist organisations.
They also seek to reduce the amount of time people suspected of terrorist activity can be detained without charge and broaden who those in custody can contact during this time.
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The National Security Information Act, which requires security clearance for lawyers acting on behalf of suspected terrorists and allows courts to suppress evidence from defendants and their legal representatives, had no redeeming features, Senator Ludlam said.
He called for it to be axed entirely.
Debate on the Anti-Terrorism Laws Reform Bill 2010 was adjourned.
