Section 267.168 - Voluntary program may be supported by state - mandated participation prohibited - withdrawal permitted - governor may waive this section, when1. The state of Missouri may support a voluntary animal identification program. The department of agriculture shall not mandate or otherwise force national animal identification system (NAIS) premises registration without specific statutory authorization from the Missouri general assembly.2. Any person who participates in the national animal identification system may withdraw from the system at any time. All personal information relating to a participant shall be deleted from the system when the participant withdraws, unless the participant is part of an ongoing disease investigation or disease monitoring or control program.3. If the provisions of this section interfere with the marketing of Missouri livestock, the governor by executive order may waive the provisions of this section in whole or in part until the completion of the next regular session of the Missouri general assembly or any special session called by the governor at which time the executive order shall expire.