X executed a holographic will dated December 2000. After his death, A and B, the heirs filed a petition for probate, but C, the daughter opposed on the ground that the will is not valid because it is not completely dated.

• A. C is correct because the law requires that the holographic will must be completely dated;
• B. C is not correct because there is substantial compliance with the requirement of the law.
• C. C is correct because the incomplete date affects the integrity of the will.
• D. C is correct because the complete date protects the will from commission of fraud and trickery.