How to correctly manage the key of owner's trust?

When the owner entrusts the spare key to the property: step one, sign the key storage agreement; Step 2, key storage: prepare a kraft paper envelope, put the key in, and the sealing place will be sealed and pasted by the owner and the property at the same time; Step 3, register in the key keeping register, and the owner signs it; Step 4, store the sealed key in a special key cabinet. There should be a custody system inside the property, which should be strictly controlled, and a special person should be appointed to manage the keys entrusted by the owner. Sealed keys must be activated with the written consent of the owner; If the written permission cannot be obtained in an emergency, the property project manager or customer service manager will call the owner, activate the key after obtaining the consent and record it. After that, you should contact the owner to sign the written permission and reseal the key. 1 when the owner entrusts the property management key (generally, it is rented as an agent). Sign the key escrow agreement. 2. Both the property and the owner will register the indoor items. 3. The property will arrange a designated person to manage the owner's key. A special person shall be responsible for it, and the key shall not be given to others under any circumstances. 4. Every time you use the key to enter the owner's room, you must register and strictly record the use time, user and purpose.