Section 18-13-104 - Fighting by agreement - dueling(1) If two or more persons shall fight by agreement in a public place, except in a sporting event authorized by law, the persons so fighting commit a petty offense.(2) Persons who by agreement engage in a fight with deadly weapons, whether in a public or private place, commit dueling. Dueling is a class 1 misdemeanor.Amended by 2023 Ch. 298,§ 49, eff. 10/1/2023.Amended by 2021 Ch. 462, § 355, eff. 3/1/2022.L. 71: R&RE, p. 484, § 1.C.R.S. 1963:§ 40-13-104. L. 2021:(1) amended,(SB 21-271), ch. 462, p. 3213, § 355, effective 3/1/2022. L. 2023:(2) amended,(HB 23-1293), ch. 298, p. 1793, § 49, effective October 1.Section 77 of chapter 298 (HB 23-1293), Session Laws of Colorado 2023, provides that the act changing subsection (2) applies to offenses committed on or after October 1, 2023.