Missouri Revised Statutes Title XIII. Correctional and Penal Institutions § 217.262. Frivolous lawsuits, false testimony, abuse of judicial system by offender--sanctions

1. An additional sixty days shall be added to the time that an offender is first eligible for parole consideration hearing or a sum of up to fifty percent of the average balance of the offender's account for any portion of the preceding twelve months during which the offender's account had a positive balance, shall be deducted from an offender's account for each instance that a court finds that the offender has done any of the following while in the custody of the department:

2. The department of corrections may promulgate rules in accordance with section 217.040 providing that the conduct described in subdivisions (1) to (6) of subsection 1 of this section shall be a conduct violation and subject an offender to discipline.

3. The maximum term of imprisonment of an offender as imposed by the sentencing court shall not be extended by the provisions of subsection 1 of this section.

4. In no instance shall the balance of an offender's account be reduced to an amount less than ten dollars pursuant to this section. The amount due pursuant to subsection 1 of this section may be deducted from any compensation payable or later paid to the offender, or from any other property belonging to the offender in the custody and control of the department.