The term, employment, includes, subject to the provisions of §§ 61-1-13, 61-1-15, 61-1-20, 61-1-22 to 61-1-25, and 61-1-36, service performed, including service in interstate commerce, by any individual other than an individual who is an employee under subdivision 61-1-10(1) or (2) who performs services for remuneration for any person:
For the purposes of this section, the term, employment, includes services described in subdivisions (1) and (2) if: the contract of service contemplates that substantially all of the services are to be performed personally by such individual; the individual does not have a substantial investment in facilities used in connection with the performance of the services (other than in facilities for transportation); and the services are not in the nature of a single transaction that is not part of a continuing relationship with the person for whom the services are performed.
SDCL 61-1-12