THE Australian Family Association plans a letterbox campaign in Labor-held seats against the State Government's gay law changes.

The campaign comes as the legislation is put on hold until next year, with the Government giving priority to passing anti-gang and electoral reform legislation before Christmas.

MPs sat through the night on Tuesday to finalise the gay equality legislation in the Legislative Assembly, but it will not become law until next year.

The family association flyers target the local MP - displaying their photograph, address and phone number and asking voters to voice their opposition to the proposed laws.

But association WA president John Barich refused to be photographed with a copy of the flyer by The West Australian yesterday, saying he feared that he would become a target for supporters of the laws.

The flyer claims the laws would allow "predatory older men to sodomise 16-year-old boys without fear of prosecution" and "homosexual behaviour to be promoted to schoolchildren in the guise of health education".

They are being distributed in the Labor seats of Ballajura, Girrawheen, Innaloo, Southern River and Victoria Park this week.

Residents of seven other Labor seats - Armadale, Joondalup, Swan Hills, Riverton, Nollamara, Willagee and Yokine - also will get the flyers.

"The response so far has been brilliant," Mr Barich said. "The Premier's line was so chockers people couldn't get through. We're telling them to use the fax or write in."

But a spokesman for Premier Geoff Gallop claimed Mr Barich was exaggerating the campaign's impact.

"The phones were busier on Monday and Tuesday but at no stage has there been any jamming of the switchboard or melt-down of the fax machine," he said.

In an unprecedented move, the Legislative Council is set to be recalled on January 22, before the start of the new parliamentary session, to finalise the gay equality laws and a Bill to give de facto couples the same property rights as married couples.

Attorney-General Jim McGinty said he was not concerned that the legislation did not look likely to pass the Upper House until next year.

"As long as this legislative package is completed over the summer break I am content with that," he said.

Outside Parliament, Opposition Leader Colin Barnett branded Tuesday's 17-hour marathon sitting unacceptable and accused Mr McGinty and leader of the House John Kobelke of being arrogant and stubborn. He said many MPs had not slept when Parliament resumed sitting at noon yesterday.

"That is an absolutely unacceptable and unnecessary situation," he said. "The staff at Parliament House have also worked similar hours. That is a dangerous workplace situation."