(a) Nothing in this article shall relieve a seller, transferor, lessor, agent, landlord, or tenant from any responsibility for compliance with other obligations, laws, ordinances, codes, or regulations, including but not limited to the duties outlined in Sections 1941 and 1941.1 of the Civil Code and any other duties provided for under common law.
(b) Nothing in this article shall alter or modify any right, remedy, or defense otherwise available under law.