R.I. Gen. Laws § 20-6-10: Allowance of shellfish taking under license.

(a) Unless otherwise specified by regulation, a holder of a commercial shellfishing license may take and/or possess, in any one day, up to twelve (12) bushels of quahaugs, twelve (12) bushels of soft-shell clams, and three (3) bushels of oysters.

(b) A holder of a nonresident shellfishing license may take in any one day not more than one peck each of oysters, quahaugs, soft-shell clams, surf clams, or mussels. Any person taking more than these allowances in any one day shall be fined upon conviction one hundred dollars ($100) for each bushel or part of a bushel exceeding the prescribed quantity or be imprisoned not exceeding thirty (30) days, or both.