The provisions of NRS 287.010 to 287.040, inclusive, do not make it compulsory upon any governing body of any county, school district, municipal corporation, political subdivision, public corporation or other local governmental agency of the State of Nevada, except as otherwise provided in NRS 287.021 or subsection 4 of NRS 287.023 or in an agreement entered into pursuant to subsection 3 of NRS 287.015, to pay any premiums, contributions or other costs for group insurance, a plan of benefits or medical or hospital services established pursuant to NRS 287.010, 287.015, 287.020 or paragraph (b), (c) or (d) of subsection 1 of NRS 287.025, for coverage under the Public Employees’ Benefits Program, or to make any contributions to a trust fund established pursuant to NRS 287.017, or upon any officer or employee of any county, school district, municipal corporation, political subdivision, public corporation or other local governmental agency of this State to accept any such coverage or to assign his or her wages or salary in payment of premiums or contributions therefor.