Such contract shall provide that wherever possible, workmen who are citizens of South Dakota shall be employed by the contractor. All provisions of chapter 5-21 with reference to contractors' bonds required under such statutes, shall be applicable and effective as to any contract let pursuant to the provisions of this chapter.

Source: SL 1939, ch 291 , § 13; SDC Supp 1960, § 61.1313; SDCL, § 46-16-52; SL 1979, ch 18 , § 5.