Grounds for termination of parental rights

42-2-607 . Grounds for termination of parental rights. The court may terminate a parent's rights to a child who is the subject of an adoption proceeding based upon: (1) the voluntary acts of the parent in: (a) executing a voluntary relinquishment and consent to adopt; (b) submitting a notarized denial of paternity executed pursuant to 42-2-421 ; or (c) submitting a notarized acknowledgment of paternity and denial of interest in custody of the child executed pursuant to 42-2-422 ; (2) a determination under 42-2-608 that the parent is unfit; (3) a determination under 42-2-609 that the relationship of parent and child does not exist; (4) a determination under 42-2-610 that a putative father has failed to establish and maintain a substantial relationship with the child; or (5) a determination that the parent has irrevocably waived parental rights by failing to timely act to protect the rights.