Every person who shall commit adultery shall be fined not exceeding five hundred dollars ($500); and illicit sexual intercourse between any two (2) persons, where either of them is married, shall be deemed adultery in each.
Adultery
R.I. Gen. Laws § 11-6-2., under Chapter 11-6 Bigamy and Adultery.
R.I. Gen. Laws § 11-6-2.