Mo. Rev. Stat. § 386.610: Substantial compliance with requirements of this chapter sufficient.

A substantial compliance with the requirements of this chapter shall be sufficient to give effect to all the rules, orders, acts and regulations of the commission, and they shall not be declared inoperative, illegal or void for any omission of a technical nature in respect thereto. The provisions of this chapter shall be liberally construed with a view to the public welfare, efficient facilities and substantial justice between patrons and public utilities.