Is it valid if the will is not written in the book?

Legal analysis: a self-made will without a date is invalid.

Legal basis: Article 134 of the Civil Law of People's Republic of China (PRC), a self-written will is written and signed by the testator, indicating the year, month and day.

The Supreme People's Court's explanation on the application of the inheritance series of the Civil Code of People's Republic of China (PRC) (1) Article 27 The contents of the personal property disposal after death in the suicide note of a natural person are really the true meaning of the deceased. If he signed and marked the year, month and day, and there is no evidence to the contrary, it can be treated as a self-made will.