Baird defends handling of NSW MP

Premier Mike Baird has defended his handling of an election campaign scandal involving NSW MP Glenn Brookes.

The member for East Hills stood aside from the Liberal Party on Monday after his campaign manager was charged with electoral crimes relating to hundreds of controversial elections pamphlets that were distributed in the lead up to the 2015 state election.

The anonymous pamphlets about Labor candidate Cameron Murphy were defaced with the words "paedophile lover" during the campaign for the marginal seat.

Mr Baird said there was no place in his party for such tactics.

"They aren't university pranks. They are disgusting and they have no role, absolutely no function, and should not be part of any political process," Mr Baird told reporters in Sydney.

The NSW Electoral Commission issued Mr Daniel two court attendance notices over alleged breaches of the Electoral Act last Thursday.

"These allegations were a surprise to me and I was not aware of the alleged behaviour at the time," Mr Brookes said in a statement on Monday.

Mr Baird said Mr Brookes assured him he knew nothing about the incident when the allegations first emerged last year.

"I had a discussion after the election and got an assurance that there was no knowledge in relation to these events," Mr Baird said on Monday.

"What I have done is responded to the information that came out on Friday - that there is a direct allegation against a campaign manager," he said.

He said Mr Brookes had done the right thing by standing aside from his parliamentary committee roles and the NSW Liberal Party pending the outcome of the court case.

The matter is listed for mention at the Downing Centre Local Court on May 3.

Labor leader Luke Foley urged Mr Baird to further investigate the matter.

"How do you restore trust in politics when this filth, when these defamatory slurs are being peddled against candidates in a marginal seat? It's not acceptable," Mr Foley said on Monday.

"If Mr Baird's fair dinkum about driving higher standards in NSW politics, he needs to act against this culture in the NSW Liberals that says it's okay to smear your Labor opponent with the most false and defamatory of accusations," he said.