The Opposition is insisting Angus Taylor stand down while NSW Police investigate the potential doctoring of documents to accuse City of Sydney councillors of excessive travel expenses.

Prime Minister Scott Morrison is refusing to stand down the minister and is under fire today for a phone call made to NSW police commissioner Mick Fuller during the active investigation.

Mr Taylor admits he used false numbers to attack Lord Mayor Clover Moore, but says his office did not forge a false document.

He claims the incorrect figures, used in a letter to the council and given to The Daily Telegraph, had been sourced from a document on the council’s own website.

Shadow Minister for Climate Change and Energy Mark Butler has accused Mr Taylor of misleading parliament and believes he should stand down.

Mr Butler tells Steve Price many have been stood down in the past when subject to a police investigation.

“We have a strike force launched by the NSW police and the prime minister won’t have this minister stand aside.

“It’s just unthinkable. The standards have slipped so far just since Malcolm Turnbull and Tony Abbott were prime ministers.”

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Image: Getty/Tracey Nearmy