For the purpose of checking and verifying reports filed by handlers or the operation of handlers under the provisions of this part, the Secretary and the committee, through their duly authorized agents, shall have access to any premises where pistachios and records relating thereto may be held by any handler and at any time during reasonable business hours, shall be permitted to inspect any pistachios so held by such handler and any and all records of such handler with respect to the acquisition, holding, or disposition of all pistachios which may be held or which may have been shipped by him/her.