The operator of any leased room or rooms other than processing rooms, breakup rooms or ice cream hardening rooms in any refrigerated warehouse or locker plant where foods are stored for over 30 days and who has sole jurisdiction and supervision over such leased room or rooms, is required to secure a license as provided for in section 231 of the Agriculture and Markets Law, and shall at all times be responsible for the observance of the statute and of these rules. The operator of any warehouse of locker plant who shall lease any part thereof for the storage of food for over 30 days, and who has access to and supervision over the storage of foods in such leased room or rooms, shall at all times be responsible for the observance of the statute and of the rules requiring the keeping of records.