Mo. Rev. Stat. § 162.820
Special school districts already in existence when sections 162.670 to 162.995 take effect are not affected* by the organizational provisions included herein but shall operate henceforth under the provisions of sections 162.670 to 162.995.
(L. 1973 H.B. 474 § 35)
Effective 7-1-74
*Word "effected" appears in original rolls.