(a) Three-year vaccine is a rabies vaccine for dogs which the Federal government has accepted as providing three-year duration of immunity.
(b) Active immunization, to permit a dog to be at large,* shall mean the injection of a three-year vaccine which meets the standards prescribed by the United States Department of Agriculture for interstate sale** and has been administered by a duly licensed veterinarian not later than the expiration date on the package. Vaccines shall be administered following the directions of the manufacturer as approved by the Federal government.
(c) Certified area means an area certified by the State Commissioner of Health in accordance with section 2140 of article 21 of the Public Health Law as one in which, or in the vicinity of which, rabies exists.
(d) Designated area means an area which the State Commissioner of Health has designated as one in which dogs which have been actively immunized against rabies in accordance with the provisions in the rules may be permitted to be at large.