If any noncommercial motor vehicle, according to the manufacturer’s model year designation, is ten years old or more on January first of the year for which a license fee is required, such fee shall be seventy percent of the fee ordinarily prescribed.

Source: SDC 1939, § 44.0108 (8); SL 1949, ch 163, § 1; SL 1955, ch 158; SL 1961, ch 218; SL 1977, ch 249, § 10; SL 2011, ch 139, § 9.