Except to the extent necessary to meet the provisions of § 27-9-4(a)(4), uniformity among insurers in any matter within the scope of § 27-9-4 is neither required nor prohibited.
Uniformity among insurers
R.I. Gen. Laws § 27-9-5., under Chapter 27-9 Casualty Insurance Rating.
R.I. Gen. Laws § 27-9-5.