According to the provisions of the inheritance law of our country, if the decedent makes a will to deal with the property, the conditions for the will to become effective include that the decedent has civil capacity, the expression of the decedent's true intention, and the will has not been tampered with.
Inheritance Law of the People's Republic of China
Article 22 A will made by a person without or with limited capacity is invalid.
A will must express the true will of the testator, and a will made under duress or deception shall be invalid.
A forged will is void.
If a will is tampered with, the tampered contents shall be invalid.
