RCW 26.26A.100: Establishment of parent-child relationship.

A parent-child relationship is established between an individual and a child if: (1) The individual gives birth to the child, except as otherwise provided in RCW 26.26A.700 through 26.26A.785 ; (2) There is a presumption under RCW 26.26A.115 of the individual's parentage of the child, unless the presumption is overcome in a judicial proceeding or a valid denial of parentage is made under RCW 26.26A.200 through 26.26A.265 ; (3) The individual is adjudicated a parent of the child under RCW 26.26A.400 through 26.26A.515 ; (4) The individual adopts the child; (5) The individual acknowledges parentage of the child under RCW 26.26A.200 through 26.26A.265 , unless the acknowledgment is rescinded under RCW 26.26A.235 or successfully challenged under RCW 26.26A.200 through 26.26A.265 or 26.26A.400 through 26.26A.515 ; (6) The individual's parentage of the child is established under RCW 26.26A.600 through 26.26A.635 ; or (7) The individual's parentage of the child is established under RCW 26.26A.705 through 26.26A.730 .