Every mutual fire insurance company organized under the laws of this state may decline to take premium notes in partial payment for insurance; provided, there is inserted in the body of the policy issued a provision making the assured, his or her or their executors, administrators, or assigns, liable for any assessments provided in the policy, and as shall become necessary in order to pay all losses and expenses not exceeding twenty (20) times the amount of the cash premium paid.
R.I. Gen. Laws § 27-5-12