The return or statement shall be signed by the person making it, and it shall also be sworn to by him or her, unless he or she be a sworn public officer and shall make the return in his or her official capacity.
Signature and oath to return or statement
R.I. Gen. Laws § 10-9-9., under Chapter 10-9 Habeas Corpus.
R.I. Gen. Laws § 10-9-9.