31-12-16. Progress payments permitted. On any contracts provided for in § 31-12-15, partial payments may be made during the progress of the work upon estimates prepared by the county highway superintendent, but in no case shall partial payments exceed ninety percent of the value of the labor and materials incorporated in the work, or materials furnished, as the case may be.
Source: SL 1919, ch 333, § 27; SDC 1939, § 28.0117; SL 1966, ch 81.