1. The will is printed and only signed by the decedent (I don't know whether it is true or not), but the will signed by the decedent himself is invalid. Because the year is not signed by the heir himself, it can be inferred that the will has no time, that is, it does not conform to the form of the will

2. Article 16 of the Law of Succession

A citizen may make a will and dispose of his personal property in accordance with the provisions of this law, and may designate an executor.

Citizens can make a will and hand over their personal property to one or several legal heirs for inheritance. Citizens can make a will to give personal property to people other than the state, the collective or the legal heir.

Seventeenth notarized wills shall be handled by the testator through the notary office.

A self-made will is written and signed by the testator, indicating the year, month and day.

A will that entrusts others to write on behalf of others shall be witnessed by two or more witnesses, and one of them shall write on behalf of others, indicating the year, month and day, and shall be signed by the agent, other witnesses and the testator.

Article 22 A will made by a person with no capacity or with limited capacity is invalid. A will must express the true meaning of the testator, and a will made by coercion or deception is invalid. Forged wills are invalid. If the will is tampered with, the tampered contents are invalid.