R.I. Gen. Laws § 15-8.1-105: Standing to maintain proceeding.

(a) Subject to other provisions of this chapter, a proceeding to adjudicate parentage may be maintained by:

(1) The child;

(2) The individual who gave birth to the child unless a court has adjudicated that the individual is not a parent or the individual is a gestational carrier who is not a parent under article 8 of this chapter;

(3) An individual whose parentage is to be adjudicated;

(4) An individual who is a parent under this chapter;

(5) The office of child support services; or

(6) A representative authorized by law to act for an individual who would otherwise be entitled to maintain a proceeding but who is deceased, incapacitated, or a minor.

(b) A foster parent does not have standing under this chapter to establish parentage based solely on their status as a foster parent.