The board shall permit all parties to respond to the notice served under § 34A-2-53 , and all other interested parties, to present evidence and argument on all issues, and to conduct cross - examination required for full disclosure of the facts. Source: SL 1973, ch 280 , § 11 (4); SDCL Supp, § 46-25-74; SL 1988, ch 285 , § 22.