(a) This part shall be applicable only to public and private agencies, animal shelters and other facilities operated for the collection, care or euthanasia of stray, neglected, abandoned or unwanted non-livestock animals.
(b) This part shall apply to any licensed veterinarian, Tennessee veterinarian medical technician, employee, volunteer, whether compensated or otherwise, or any other person acting as an agent on behalf of a public or private agency, animal shelter or other facility operated for the collection, care or euthanasia of stray, neglected, abandoned or unwanted non-livestock animals.