Section 21a-262-4 - Manufacturers, wholesalers, distributors, importers, and exporters(a) Schedule II Stock if less than No. 250 controlled substance units shall be stored in an approved safe. If No. 250 or more controlled substance units all schedule II controlled substances shall be stored in an approved vault.(b) Schedule III, IV, V Stock shall be stored in an approved vault, approved safe equipped with a separate effective electrical alarm system, or separate secure locked caged area, room, or enclosure equipped with a separate effective electrical alarm system. If a caged area or enclosure is used, such caged area or enclosure must be completely enclosed. If a caged area is used, construction must be of heavy gauge wire mesh having openings smaller than the smallest controlled substance(s) containers stocked.(c) All controlled substances in the process of manufacture, distribution, transfer, or analysis shall be stored in such a manner as to prevent diversion; shall be accessible only to the minimum number of specifically authorized personnel essential for efficient operation; and shall be returned to the required security location immediately after completion of the procedure or at the end of the scheduled business day. If a manufacturing process cannot be completed at the end of a working day, the processing area or tanks, vessels, bins, or bulk containers containing controlled substances must be securely locked inside an area or building which affords adequate security.Conn. Agencies Regs. § 21a-262-4