Existing law requires certain persons who work for a landlord of dwelling units intended and operated exclusively for certain older persons to undergo a criminal background check as a condition of employment with the landlord. (NRS 118A.335) Section 1 of this bill requires a landlord of a covered premises to establish: (1) a policy requiring certain applicants for employment to undergo a criminal background check as a condition of employment; and (2) certain written policies and procedures relating to dwelling unit keys. Section 1 also requires any such landlord to maintain on the premises: (1) a log that accounts for the issuance and return of each dwelling unit key; and (2) the written policies and procedures relating to dwelling unit keys established pursuant to section 1. Section 1 defines the term “covered premises” to mean a premises comprising more than: (1) 50 dwelling units attached to a single parcel of property in a county whose population is 100,000 or more (currently Clark and Washoe Counties); or (2) 30 dwelling units attached to a single parcel of property in a county whose population is less than 100,000 (currently all counties other than Clark and Washoe Counties). Section 1 also authorizes a civil action to be brought against a landlord that violates the provisions of section 1 by a person aggrieved by the violation or a district attorney.