P.A.W. Animal Shelter offers a $30  lifetime microchip to anyone. No expiration, no annual fees, no cost to update information. Plus we register it for you, how easy is that? 

Microchipping allows you to provide your pet with a lifetime ID number. An ISO-compliant microchip contains a unique and unalterable identification number that is recognized in most countries around the world.
Microchipping is a reliable, permanent, one time service that helps give you peace of mind for your pet's lifetime, but it is nearly useless if the microchipped pet is not registered in a database such as PetLink. The microchip only contains an identification number; without accurate registration associated with the microchip number, a lost, microchipped animal that is scanned might not be returned to its owner.

Find answers to your PetLink questions here