Mo. Rev. Stat. § 390.320: Orders and decisions of division, effect.

Notwithstanding any provisions of section 516.103 to the contrary, in all collateral actions or proceedings the orders and decisions of the division which have become final shall be conclusive, and shall be admissible as evidence of the facts found and the determinations made by the division in all subsequent actions or proceedings to enforce division orders or decisions, whether by penalty, forfeiture, mandamus, injunctive relief or otherwise.