Please tell me about the procedure for registering a dog.

If you have a new dog with a microchip

Register microchip information with the Japan Veterinary Medical Association by web application or paper application. In the case of web application, please follow the procedure from the link of "Microchip Information Registration for Dogs and Cats" below. For paper applications, please contact the Japan Veterinary Medical Association by phone (phone number 03-6384-5320). The registration fee is 300 yen for web applications and 1,000 yen for paper applications.

If your dog is newly microchipped

Register the microchip information after preparing a "microchip attachment certificate" issued by a veterinarian. In the case of web application, please follow the procedure from the link of "Microchip Information Registration for Dogs and Cats" below. For paper applications, please contact the Japan Veterinary Medical Association by phone (phone number 03-6384-5320). The registration fee is 300 yen for web applications and 1,000 yen for paper applications.

Dog and cat microchip information registration | Ministry of the Environment (env.go.jp)

You must register your dog with the city.

Dog owners must register their dogs within 30 days of the date of ownership.
Also, if you have a dog that is less than 90 days old, you must register the dog within 30 days after the dog turns 90 days old.
Please attach the dog license issued at the time of registration to your dog. In addition to being proof of registration, it also serves as a lost tag.
If you have not registered yet, please do so at the Health Center or Hirao/Wakabadai branch office.