The commissioner shall have general authority to administer and enforce the provisions of this subdivision and may adopt rules pursuant to N.H. Rev. Stat. Chapter 541-A as are necessary to carry out the purposes of this subdivision. The commissioner or duly authorized agent shall have free access at all reasonable hours to any place, building or vehicle in which apple cider is manufactured, sold, offered, or exposed for sale or exchanged or distributed at retail or wholesale. The commissioner or duly authorized agent shall have authority to open any package or container, and may upon tendering the market price take such container and its contents or sample from the package or container.