R.I. Gen. Laws § 28-27-18: Registration of apprentices.

(a) Any person who has agreed to work under the supervision of a licensed pipefitter, refrigeration/air conditioning, sprinkler fitter, or sheet metal master under an apprenticeship program registered with the Rhode Island department of labor and training shall be issued a certificate of apprenticeship pursuant to § 28-45-13.

(b) The minimum formal training period for a P.J.F. limited class II license shall be one hundred sixty (160) hours of classroom and/or laboratory technical training, approved by the department of labor and training. The fee schedules for the P.J.F. limited license are detailed in § 28-27-5.2. All other sections of this chapter shall remain in full force and effect.