§ 31-27-2-4

(a) In addition to any other penalty prescribed by law, whoever operates any motor vehicle while knowingly having in the motor vehicle or in his or her possession, a controlled substance, as defined in § 21-28-1.02, except for possession of up to one ounce (1 oz.) of marijuana, shall have his or her license suspended for a period of six (6) months. (b) This section shall not apply to any person who lawfully possesses a controlled substance, as defined in § 21-28-1.02, as a direct result and pursuant to a valid prescription from a licensed medical practitioner, or as otherwise authorized by chapter 28 of title 21. History of Section.P.L. 1990, ch. 334, § 1; P.L. 2012, ch. 221, § 3; P.L. 2012, ch. 233, § 3.