It shall be unlawful for any person to sell, give away, carry, ship, or deliver for carriage or shipment within this state, any plants or plant products or other thing or substitute listed, as required in such rules and regulations made by the Commissioner of Agriculture and Commerce unless such plant or plant products or other thing or substance have been officially inspected and a certificate issued by an inspector of the commissioner stating that the plants or plant products or other thing or substance have been inspected and found to be apparently free from insect pests, diseases and noxious weeds, and any other facts provided for in the rules and regulations made pursuant to this statute. For the issuance of such certificate, the commissioner may require the payment of a reasonable fee to cover the expense of such an inspection and certification provided, however, that if such plants or plant products or other thing or substance were brought into the state in compliance with the requirements of law such certificate required may be accepted in lieu of the inspection and certificate required by this section in such cases as shall be provided for in the rules and regulations made hereunder. If it shall be found at any time that a certificate of inspection issued or accepted pursuant to the provisions of this section is being used in connection with plants and plant products or other things or substances which are infested or infected with insect pests, diseases or noxious weeds listed in the rules and regulations, its further use may be prohibited, subject to such inspection and other dispositions of the plants and plant product involved as may be provided for by the commissioner. All monies collected by the commissioner where not otherwise provided shall be deposited in the State Treasury to the credit of the General Fund revenue receipts.