R.I. Gen. Laws § 5-34-42: Global signature authority of certified registered nurse practitioners.

Whenever any provision of the general or public law or regulation requires a signature, certification, stamp, verification, affidavit, or endorsement by a physician, it shall be deemed to include a signature, certification, stamp, verification, affidavit, or endorsement by a certified registered nurse practitioner; provided, however, that nothing in this section shall be construed to expand the scope of practice of nurse practitioners.