Mo. Rev. Stat. § 567.110
Any person who pleads guilty to or is found guilty of a violation of section 567.020 or 567.030 and who is alleged and proved to be a persistent prostitution offender is guilty of a class D felony.
(L. 1997 S.B. 347)
*This section was amended by S.B. 491, 2014, effective 1-01-17. Due to the delayed effective date, both versions of this section are printed here.