When a dog has its license attached to its collar, its assigned license number is all that is necessary for our office to identify the dog's owner. Registration for an assistance dog shall be permanent and not subject to annual renewal so long as the dog is an assistance dog.Cuyahoga County dog licenses on sale through Dec. 15; renewal deadline is Jan. Stay informed about Ohio's ESA laws and how to obtain an ESA letter. Learn about your rights and responsibilities as an ESA owner in Ohio. All Service Agreements, Pet Owner Profiles, Pet Profiles and the Veterinarian forms are kept in a secured location. A pet care agreement is a formal contract that defines the terms of pet-sitting services between the pet owner and the pet sitter. Certificates and tags stamped "Ohio Assistance Dog-Permanent Registration," with registration number, shall be issued upon registration of such a dog. An agreement and consent form regarding pet adoption coming along with a detailed list of agreement terms and fields for the submitter to provide their consent.