The provisions of this chapter with the exception of §§ 6-14-9 and 6-14-10 shall not apply to sheriffs, constables, or other public or court officers, or to any other person or persons acting under the license, direction, or authority of any court, state or federal, selling goods, wares, or merchandise in the course of their official duties.
R.I. Gen. Laws § 6-14-15