RSA 273:9: Inspections.

The commissioner shall, at such times as he shall deem it necessary, and without notice, visit the manufacturing, mechanical and mercantile establishments in the state, so far as practicable, for the purpose of ascertaining whether the laws with reference to employment are complied with, and for the further purpose of ascertaining if reasonable sanitary and hygienic conditions are maintained, calculated to promote the health and welfare of the working people.