37-4-1 Exchanges subject to chapter--Small-volume exchanges exempt. 37-4-2 Open membership required of exchanges--Cooperatives included. 37-4-3 Members to comply with rules, regulations, and bylaws--Fees and assessments. 37-4-4 Exchange rules controlling distribution of member profits deemed unreasonable. 37-4-5 Denial of membership by exchange as misdemeanor--Refusal to deal with member.