SDCL § 37-4-5: Denial of membership by exchange as misdemeanor--Refusal to deal with member.

It is a Class 1 misdemeanor for any chamber of commerce, board of trade or exchange to adopt any rule, regulation, bylaw, or order, or to make any order in violation of the provisions of this chapter or to refuse or unreasonably delay the admission of any applicant to full and equal membership in any such organization or to refuse to trade or deal with any member or to permit any member to refuse so to deal with any other member on an equal basis with all other members, or to adopt, prescribe, construe, or apply any rule, order, or regulation which shall have the effect of avoiding or tending to avoid or violate any of the provisions of this chapter.