N.H. Rev. Stat. § 143:3
Unclean, unhealthful or unsanitary conditions or practices shall be deemed to exist if the floors, sidewalls and ceilings are not properly constructed and maintained; or if food in the process of production, storage, sale or distribution is unnecessarily exposed to flies, dust or dirt, or to the products of decomposition or fermentation incident to such production, storage, sale or distribution; or if any person is permitted to use as a sleeping room any place where food is prepared for sale, stored, served or sold; or if any employer shall knowingly permit or suffer any person who is affected with tuberculosis or any other communicable disease to work in such place; or if there is any other condition or practice which endangers the wholesomeness of food.
RSA 143:3
1911, 15:2. PL 137 :3. RL 162:3.