S.D. Codified Laws § 6-1-2

The provisions of § 6-1-1 are not applicable if the contract is made pursuant to any one of the conditions set forth in the following subdivisions, without fraud or deceit. However, the contract is voidable if the provisions of the applicable subdivision are not fully satisfied or present at the time the contract was entered into:

(1) Any contract involving five thousand dollars or less regardless of whether other sources of supply or services are available within the county, municipality, township, or school district, if the consideration for such supplies or services is reasonable and just;

(2) Any contract involving more than five thousand dollars but less than the amount for which competitive bidding is required, and there is no other source of supply or services available within the county, municipality, township, or school district if the consideration for such supplies or services is reasonable and just and if the accumulated total of such contracts paid during any given fiscal year does not exceed the amount specified in § 5-18A-14 ;

(3) Any contract with any firm, association, corporation, or cooperative association for which competitive bidding is not required and where other sources of supply and services are available within the county, municipality, township or school district, and the consideration for such supplies or services is reasonable and just, unless the majority of the governing body are members or stockholders who collectively have controlling interest, or any one of them is an officer or manager of any such firm, association, corporation, or cooperative association, in which case any such contract is null and void;

(4) Any contract for which competitive bidding procedures are followed pursuant to chapter 5-18A or 5-18B , and where more than one such competitive bid is submitted;

(5) Any contract for professional services with any individual, firm, association, corporation, or cooperative, if the individual or any member of the firm, association, corporation, or cooperative is an elected or appointed officer of a county, municipality, township, or school district, whether or not other sources of such services are available within the county, municipality, township, or school district, if the consideration for such services is reasonable and just;

(6) Any contract for commodities, materials, supplies, or equipment found in the state contract list established pursuant to § 5-18D-6 , at the price there established or below;

(7) Any contract or agreement between a governmental entity specified in § 6-1-1 and a public postsecondary educational institution if an employee of the Board of Regents serves as an elected or appointed officer for the governmental entity, and if the employee does not receive direct compensation or payment as a result of the contract or agreement; and

(8) Any contract with any firm, association, corporation, individual, or cooperative association for which competitive bidding procedures are followed pursuant to chapter 5-18A , and where only one such competitive bid is submitted, provided the procedures established in § 6-1-2.1 are followed.

Source: SL 1955, ch 206, § 1; SL 1957, ch 254; SL 1959, ch 273; SDC Supp 1960, § 10.0708; SL 1963, ch 30; SL 1983, ch 44, § 1; SL 1990, ch 47, § 2; SL 1990, ch 49, § 3; SL 2000, ch 31, § 1; SL 2003, ch 39, § 1; SL 2011, ch 2, § 112; SL 2011, ch 34, § 1; SL 2014, ch 44, § 1.