The Environment Minister has also said many in her seat were "quite shocked" at the ICAC process used to probe former premier Gladys Berejiklian's ties to disgraced Wagga MP Daryl Maguire.

Ms Ley was speaking after Indi MP Helen Haines moved to have her integrity bill debated in the House of Representatives last week.

"While I note and recognise the importance of the anti-corruption commission, the government is taking the time to get this right, it is on our agenda and I'll leave the grandstanding to others," she said.

Ms Ley declined to say if she was referencing Dr Haines with her grandstanding remark.

A Commonwealth integrity body was promised by Prime Minister Scott Morrison in December 2018 but a bill flagging its composition and powers has not been presented to parliament.

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"The government is taking time to get this right, to respond to the range of submissions to a long ongoing consultation and to many different points of view and the consideration of many different models," Ms Ley said.

She cited COVID as central to the delay in moving on a watchdog.

Asked if Mr Morrison describing ICAC as a "kangaroo court" undermined the institution, Ms Ley cited the treatment of Ms Berejiklian.

"Many of my constituents who don't normally tune into ICAC and the issue itself....did see the interrogation of Gladys Berejiklian and were quite shocked; No.1 that it was done so publicly and that it seemed extraordinary in the way....it seemed to attack a very popular premier who was working hard and supporting the entire state through COVID," Ms Ley said.

Meanwhile, Dr Haines said she was surprised to hear federal Families and Social Services Minister Anne Ruston suggest on Sunday there would be no changes to the previous anti-corruption body model if legislation was introduced to parliament by the government.

Dr Haines said it raised questions about the value of a consultation process and how committed Mr Morrison was to that.

She said it was a "most unusual set of circumstances" not to adjust aspects as a result of feedback.

Dr Haines declined to respond directly to Ms Ley's "grandstanding" assessment, noting "whatever Sussan says is what she says".

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