(a) Nothing in this article shall prevent a local governing body from adopting and enforcing laws, consistent with this article, relating to drug abatement. Where local laws duplicate or supplement this article, this article shall be construed as providing alternative remedies and not preempting the field.
(b) Nothing in this article shall prevent a tenant from receiving relief against a forfeiture of a lease pursuant to Section 1179 of the Code of Civil Procedure.