The new law requires the Nevada State. NRS 40.680 requires the parties to participate in mediation before the complaint can be filed.Nevada LAw Contractors NRS 624 General provisions for contractors. Contractors - NAC 624 Administrative code specifics for contractors. This litigation team represents the construction industry in mediation, appearances before Special Masters, appearances in other forms of alternative dispute. A lien claimant who is required to give a notice of right to lien to an owner and complies has a right to lien for materials or equipment furnished. Virtually every aspect of commercial, residential and public works construction is regulated at the state level in. Nevada and may require a building permit.