§ 14-2-310 — Parties authorized to file petition

(a) The petition for the termination of the parent-child
relationship shall be filed with the court by:
(i) Either parent, when termination of the
parent-child legal relationship is sought with respect to the
other parent; or
(ii) The guardian or the legal custodian of the
child; or
(iii) An authorized agency.
(b) The petition for the termination of the parent-child
relationship may be filed with the court by a biological or
adoptive grandparent acting in loco parentis to the child, where
the child has resided with the grandparent for a period of not
less than one (1) year and the placement is not under the
direction of a juvenile court or the department of family
services.