Modification, revocation, or suspension of a permit shall be effective thirty days after issuance, unless a later date is specified. If the holder requests a hearing before the secretary, the order of modification, revocation, or suspension shall be effective twenty days after final determination by the secretary.

Source: SL 1973, ch 280, § 9 (6); SDCL Supp, § 46-25-67; SL 1988, ch 285, § 17.