R.I. Gen. Laws § 2-18.1-15
Nonresident nursery workers, dealers and other persons, wishing to ship nursery stock into Rhode Island, whether or not licensed as dealers in Rhode Island, shall first file with the director a copy of a valid, unexpired certificate showing that the stock sold by that person has been officially inspected and found to be apparently free of injurious insects and plant diseases or to supply any other evidence that the director may set forth as being equivalent to the filing of certificate, and shall, if required by the director, comply with any regulations that the director may designate, regarding the use of uniform shipping tags, or any other regulations that the director may prescribe to facilitate the enforcement of this chapter. The director may require the nonresident nursery workers, dealers or other persons to notify him or her of the date of shipping, and the destination of nursery stock intended for any consignee within this state.
R.I. Gen. Laws § 2-18.1-15