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.
Ca. Fam. Code § 7610
Amended by Stats 2013 ch 510 (AB 1403),s 2, eff. 1/1/2014.