Section 6221 Of Article 2. General Provisions From California Probate Code >> Division 6. >> Part 1. >> Chapter 6. >> Article 2.

. A California statutory will shall be executed only as follows:
  (a) The testator shall complete the appropriate blanks and shall sign the will.
  (b) Each witness shall observe the testator's signing and each witness shall sign his or her name in the presence of the testator.