No certificate of authority shall, after June 30, 1966, be issued to any insurer, organized upon the mutual assessment, cooperative, or natural premium plan for the purpose of writing assessment life, or health insurance. It is a Class 2 misdemeanor for any such insurer to transact business in South Dakota. Source: SL 1966, ch 111 , ch 18, § 1 (1); SL 1978, ch 359 , § 7. 58-36-2 to 58-36-44. Repealed by SL 1978, ch 359 , § 21