S.D. Codified Laws § 32-9-16 (2026)
Payment of the annual commercial motor vehicle fee shall be made before beginning an operation or anytime within ninety days prior to the vehicle's registration date. A commercial motor vehicle plate shall be displayed prior to beginning operation and during operation. A violation of this section is a Class 2 misdemeanor.
Source: SDC 1939, § 44.0426; SL 1939, ch 176 , § 2; SL 1943, ch 161 , § 2; SL 1947, ch 195 , § 3; SL 1957, ch 231 ; SL 1961, ch 236 ; SL 1967, ch 205 ; SL 1977, ch 249 , § 27; SL 1988, ch 251 , § 3; SL 1989, ch 255 , § 26A; SL 1994, ch 250 ; SL 2010, ch 158 , § 3.