Ulster Unionist MLA John McCallister brought the second stage of the Caravans Bill to the assembly on 24 May 2010.
The Caravans Bill is designed to offer protection to caravan users with permanent sites and brings the definition of a caravan into line with the rest of the UK.
The bill will regulate agreements between occupiers and site owners over the termination of contracts and the sale of caravans.
Mr McCallister said it would bring Northern Ireland into line with the Mobile Homes Act.
DUP MLA Ian Paisley Jnr raised concerns about "unseemly people" who buy caravan sites, including drug dealers, who could destroy a park overnight. Protection measures against this happening should be put in place, he said.
The SDLP's Alban Maginness said there was a lack of legal protection for occupants and caravan site owners, and sensible provisions needed to be drawn up.
Social Development Minister Alex Attwood said the bill would provide Northern Ireland's 14,000 holiday caravan owners protection over and above that enjoyed by those in other parts of the UK.