Section 521-2 - Purposes; rules of construction(a) This chapter shall be liberally construed and applied to promote its underlying purposes and policies.(b) The underlying purposes and policies of this chapter are: (1) To simplify, clarify, modernize, and revise the law governing the rental of dwelling units and the rights and obligations of landlords and tenants of dwelling units;(2) To encourage landlords and tenants to maintain and improve the quality of housing in this State; and(3) To revise the law of residential landlord and tenant by changing the relationship from one based on the law of conveyance to a relationship that is primarily contractual in nature.