Section 439.160 - Uniform compliance with provisions of chapter1. The Division is charged with: (a) The thorough and efficient execution of the provisions of this chapter in every part of the State; and(b) Supervisory power over local health officers, to the end that all of the requirements of this chapter shall be uniformly complied with. 2. The Division shall have authority to investigate cases of irregularity or violation of the law, and all local health officers shall aid the Division, upon request, in such investigations.[Part 22:199:1911; RL § 2973; NCL § 5256]-(NRS A 1963, 939)[Part 22:199:1911; RL § 2973; NCL § 5256] - (NRS A 1963, 939)