CRM 404 - Minimum Standards for Safekeeping Devices
Cashier Till Lockers - Till lockers must be equipped with a combination lock and key change tumblers or, if dual key control is desired, with a dual key lock.
Coin and Storage Lockers - Lockers securing bulk storage of coins or valuable items must be equipped with combination or key locks.
Cash Protectors - Cash protectors used to secure excess operating cash during the day must be equipped with a combination lock and a key locking door handle.
Undercounter Lockers - Lockers used to secure operating funds during the day must be made of steel and equipped with a combination lock and a key locking door handle.
Cash Safes, Money Safes and Receiving Safes - Any of these kinds of safes located outside of a vault must be equipped with a combination lock.
Containers for Transporting Funds - Transportation containers must incorporate a locking device that can be unlocked only by authorized personnel.