SDCL § 1-1-23: Expressions of sovereign will.

The will of the sovereign power is expressed:

(1) By the Constitution of the United States;

(2) By treaties made under the authority of the United States;

(3) By statutes enacted by the Congress of the United States;

(4) By the Constitution of this state;

(5) By statutes enacted by the Legislature;

(6) By statutes enacted by vote of the voters;

(7) By the ordinances of authorized subordinate bodies;

(8) Rules of practice and procedure prescribed by courts or adopted by departments, commissions, boards, officers of the state, or its subdivisions pursuant to authority so to do.