Personal deposit gift contracts without signatures and famous dates are invalid. A date is not required, but a signature is.

A contract is an agreement between the parties or parties to establish, change, or terminate a civil relationship. A contract established in accordance with the law shall be protected by law. A broad contract refers to an agreement that determines the relationship between rights and obligations in all legal departments. Contract in the narrow sense refers to all civil contracts. There is also a contract in the narrowest sense that only refers to a creditor's rights contract in a civil contract. Article 85 of the General Principles of the People's Republic of China and Civil Law: A contract is an agreement between the parties to establish, change, and terminate a civil relationship. A contract established in accordance with the law shall be protected by law. Article 2 of the "Contract Law of the People's Republic of China": A contract is an agreement to establish, change, and terminate civil rights and obligations between natural persons, legal persons, and other organizations as equal subjects. The provisions of other laws shall apply to agreements related to status relationships such as marriage, adoption, and guardianship.

Contract, also known as contract and agreement, is an agreement between equal parties to establish, change, and terminate civil rights and obligations. As a kind of civil legal act, a contract is the product of the consensus of the parties and an agreement between two or more parties with consistent expressions of intention. A contract is legally binding only if the expressions of intention made by the parties are legal. A contract established in accordance with the law takes effect from the date of establishment and is legally binding.