The commissioner and his duly authorized employees may enter and inspect any place where grain is stored, shipped, sold or offered for sale for the purpose of carrying out the provisions of this article. The commissioner and his duly authorized employees may, for the purpose of inspection and examination of grain, break the seals of cars; and, after such inspection has been made, the said officials shall securely close and reseal such doors as have been opened by them, using the special seal provided by the Department of Agriculture and Industries for the purpose. A record of all original seals broken by said officials and the date when broken and also a record of all state seals substituted therefor and the date and number of said seals shall be made by such officials. Any person who forcibly assaults, resists, impedes or interferes with said commissioner or his employees in the execution of any duty authorized to be performed by him under this article shall be guilty of a misdemeanor.