N.H. Rev. Stat. § 428:27
The commissioner of agriculture, markets, and food shall have general authority to administer this subdivision and shall adopt rules, pursuant to RSA 541-A, for carrying out its provisions. He may appoint agents to assist him and fix their salaries within the amount appropriated therefor, subject to the rules of the state personnel commission. He shall in person or by his deputy or agent have free access at all reasonable hours to any place, building, or vehicle in which eggs are sold, offered, or exposed for sale, or exchanged or distributed at retail, or wholesale. He shall also have power in person or by his deputy or agent to open any package or container, and may upon tendering the market price take such container and its contents or sample therefrom.
RSA 428:27
1985, 72:1. 1995, 130:5, eff. July 23, 1995.