R.I. Gen. Laws § 42-66.2-4: Amount of payment.

(a) The state shall reimburse the consumer up to the percentage rate of the maximum allowable amount per prescription as set forth in § 42-66.2-5 as of the date of purchase of the drug, in accordance with the income eligibility and copayment shares set forth in § 42-66.2-5. The rebates generated pursuant to § 42-66.2-10 shall be used to offset the state’s payment.

(b) Reimbursement payment will be made to consumers no less than quarterly.

(c) The director is authorized and directed to promulgate rules relating to the process by which consumers submit claims for reimbursement including what documentation must be provided by the consumer.