1. After the breeding of male and female is completed, submit the breeding certificate to CKU. 2. After the dog is born, submit the birth certificate application for the newborn dog to CKU. 3. After receiving the birth certificate, inject the chip according to CKU requirements. After the dog is microchipped, the barcode of the microchip will be affixed to the dog’s birth certificate. 4. Finally, submit the birth certificate and pedigree certificate application with the barcode to the CKU Breeding Department for review. The application materials need to include the CKU pedigree registration information of the parent dogs, the birth date of the puppies, the number of litters, the distribution of males and females, etc. 5. After verification, the puppy information will be added to the records of the international pedigree certificate, which can be checked online in the future. * If foreign dogs are introduced, the dog owner must bring the original "International Pedigree Certificate" and register with the CKU Association for it to be valid. * If one or both parents of the dog are not registered with CKU, a purebred dog identification certificate must be obtained after professional identification by CKU.