Official state interest rates

The official state interest rates, as referenced throughout the South Dakota Codified Laws, are as follows: (1) Category A rate of interest is four and one - half percent per year; (2) Category B rate of interest is ten percent per year; (3) Category C rate of interest is twelve percent per year; (4) Category D rate of interest is one percent per month or fraction thereof; (5) Category E rate of interest is four percent per year; (6) Category F rate of interest is fifteen percent per year; and (7) Category G rate of interest is five - sixth percent per month or fraction thereof. Source: SL 1984, ch 319 , § 1; SL 1987, ch 362 ; SL 1994, ch 366 , § 1; SL 2000, ch 226 , § 1.