R.I. Gen. Laws § 20-7-8

Each person or agent, as defined in § 20-7-1, licensed under the provisions of this chapter shall, upon demand of the director of the department of environmental management or any of the director’s deputies, exhibit the license issued to him or her as provided in § 20-7-1. Every person violating the provisions of this section shall, for each offense, be fined up to fifty dollars ($50.00).