Rhode Island General Laws Title 34. Property § 34-18-25. Rules and regulations

(1) Its purpose is to promote the convenience, safety, or welfare of the tenants on the premises, preserve the landlord's property from abusive use, or make a fair distribution of services and facilities held out for the tenants generally;

(2) It is reasonably related to the purpose of which it is adopted;

(3) It is sufficiently explicit in its prohibition, direction, or limitation of the tenant's conduct to fairly inform the tenant of what he or she must or must not do to comply;

(4) It applies to all tenants in the premises in a fair manner;

(5) It is not for the purpose of evading the obligations of the landlord; and

(6) The tenant has notice of it at the time he or she enters into the rental agreement, or when it is adopted.