R.I. Gen. Laws § 11-41.1-7

Any person, firm, corporation, or association engaged in receiving, packing, handling, or selling eggs in permanent baskets which contain four (4) dozen or more shell eggs may adopt, own, and use any name or mark and permanently affix or stamp that name or mark on any egg basket, except cardboard, fiberboard, or corrugated containers, owned by that person, firm, corporation, or association, in order to designate the ownership of those baskets or distinguish them from other similar baskets.