Iowa Code Title IX. Local Government [Chs. 331-420] § 351.35. How and when

The rabies vaccination required by section 351.33 shall be an injection of antirabies vaccine approved by the state department of agriculture and land stewardship, and the frequency of revaccination necessary for approved vaccinations shall be as established by such department. The vaccine shall be administered by a licensed veterinarian and shall be given as approved by the state department of agriculture and land stewardship. The veterinarian shall issue a tag with the certificate of vaccination, and such tag shall at all times be attached to the collar of the dog.