Pennsylvania Statutes Title 23 Pa.C.S.A. Domestic Relations § 5325. Standing for partial physical custody and supervised physical custody

(1) where the parent of the child is deceased, a parent or grandparent of the deceased parent may file an action under this section;

(2) where the relationship with the child began either with the consent of a parent of the child or under a court order and where the parents of the child:

(3) when the child has, for a period of at least 12 consecutive months, resided with the grandparent or great-grandparent, excluding brief temporary absences of the child from the home, and is removed from the home by the parents, an action must be filed within six months after the removal of the child from the home.