Fees vary, but once you have a number, all you have to do when you move is supply the agency with your new information and it is immediately updated. Both tattoos and microchips are used to locate and prove ownership of lost or stolen pets. In addition, most shelters routinely check for these forms of identification, and in some states labs are not allowed to buy dogs with tattoos or microchips. Although some owners tattoo on the inside of the ear, most choose the inside of the rear thigh. Tattooing is not painful.
Tattoos also provide positive identification if done correctly.
National pure breed registries, such as the AKC, encourage a registered tattoo for the identification and safety of the dog. Tattoos are noticeable, anyone can see a tattoo. They do not require a vet to do the process and no special machinery is required to locate or read them. Tattoos are well known, most shelters, pounds, and labs will look for them. Research facilities wont purchase a tattooed dog because it is a crime It is also federal crime to transfer a stolen tattooed dog over state lines.