 One major submission was a comprehensive review of prostitution in Western Australia by a team from the University of NSW.This time Porter found himself criticised by both sides of the 2007 debate, for instance churches that supported the Coalition position in opposition, now criticised them, while sex worker groups that supported the Carpenter proposals continued to oppose coalition policies, as did health groups.On 14 June 2011 the Minister made a "Green Bill" (draft legislation) available for public comment over a six-week period.