If the secretary does not require an alleged violator to appear for a public hearing pursuant to § 34A-2-54 , the alleged violator may request the board to conduct such a hearing. Such request shall be in writing and shall be filed with the board no later than thirty days after service of a notice under § 34A-2-53 . If such a request is filed, a hearing shall be held within forty - five days. Source: SL 1973, ch 280 , § 11 (3); SDCL Supp, § 46-25-72; SL 1988, ch 285 , § 21.