Yes, it is achievable to receive papers for any Doggy that is certainly already an adult, but the method may very well be much more advanced and time-consuming than registering a Puppy dog. Adult canine can be registered using a kennel club or registry, although the operator must offer documentation https://www.openpr.com/news/4286965/how-to-get-papers-for-a-dog-the-complete-step-by-step-guide