Section 5011 Of Article 1. General Provisions From California Probate Code >> Division 5. >> Part 1. >> Chapter 2. >> Article 1.

. Notwithstanding any other provision of this part, the rights of the parties in a nonprobate transfer of community property on death are subject to all of the following:
  (a) The terms of the instrument under which the nonprobate transfer is made.
  (b) A contrary state statute specifically applicable to the instrument under which the nonprobate transfer is made.
  (c) A written expression of intent of a party in the provision for transfer of the property or in a written consent to the provision.