36-1-102. Part definitions.
As used in this part, unless the context otherwise requires:
(1) (A) For purposes of terminating the parental or guardian rights of parent(s) or guardian(s) of a child to that child in order to make that child available for adoption, "abandonment" means that:
(i) For a period of four (4) consecutive months immediately preceding the filing of a proceeding or pleading to terminate the parental rights of the parent(s) or guardian(s) of the child who is the subject of the petition for termination of parental rights or adoption, that the parent(s) or guardian(s)
either have willfully failed to visit or have willfully failed to support or have willfully failed to make reasonable payments toward the support of the child;