Unlike other common dog shots (like Distemper or Parvo) that some owners give at home, rabies is a high-stakes public health issue. Because the virus is 100% fatal to both animals and humans, the government requires a "chain of custody" for every dose.
Rabies Vaccine for Dogs: What It Is and Why Your Dog Needs It
Only a licensed veterinarian can provide the official Rabies Certificate and tag required for licensing, boarding, grooming, and travel.