Legal analysis: The agreement should specify the property that needs to be entrusted for safekeeping, the specific custodian, the time of custody, liability for breach of contract, etc.

Legal basis: "The People's Republic of China and the Civil Code"

Article 919 An entrustment contract is an agreement between the client and the trustee, and the trustee shall handle the client's affairs. business contract.

Article 922 The trustee shall handle the entrusted affairs in accordance with the instructions of the principal. If it is necessary to change the principal's instructions, the principal's consent must be obtained; if it is difficult to contact the principal due to an emergency, the trustee shall properly handle the entrusted affairs, but shall promptly report the situation to the principal afterwards.