Dog licenses assist in reuniting lost dogs with their owners. 1. Gather necessary information regarding your dog and your details.These sample forms may be useful when filing documents for the civil and family courts. If you have any questions, consult an attorney. The Allegheny County Dog License form is a required document for all dog owners in Allegheny County, ensuring their pets are legally registered. By filling out the card, someone can be notified so that they may provide that care. Please print as many as needed and for everyone you know who has a pet. Forms. Applicable Laws and Information. You may find this information and these forms helpful when handling the estate of a deceased person. Animal Protectors of Allegheny Valley is a nonprofit animal shelter, not a dog park.