Section 7610 Of Chapter 2. Establishing Parent And Child Relationship From California Family Law Code >> Division 12. >> Part 3. >> Chapter 2.

. The parent and child relationship may be established as follows:
  (a) Between a child and the natural parent, it may be established by proof of having given birth to the child, or under this part.
  (b) Between a child and an adoptive parent, it may be established by proof of adoption.