MISSOURI Rabies Medical Exemption SB 566 PASSED 5/17/12, effective date 8/28/12 http://www.senate.mo.gov/12info/BTS_Web/Bill.aspx?SessionType=R&BillID=5884 . Missouri has become the 16th state with a medical exemption clause in its law.
Chapter 322, RSMo Section 322.005: (5) "Statement of exemption from vaccination", a written determination, signed by a veterinarian, that a medical reason exists that precludes the vaccination of the dog or cat. The statement shall include the owner's name and address, a description of the animal, the medical reason that precludes vaccination, the date of determination, and the period of time for which the medical condition is reasonably expected to persist;
3. It shall not be considered a violation of this section for an owner to have a dog or cat that is not vaccinated for rabies if such owner possesses a current statement of exemption from vaccination for such animal, however if exposure occurs, the dog or cat is considered to be nonvaccinated.