Purchase online - This is the fastest and easiest option. Registration for an assistance dog shall be permanent and not subject to annual renewal so long as the dog is an assistance dog.Learn about Service Agreements and see examples for your pet sitting or dog walking business. Create a professional pet care service agreement. The department also offers assistance with animal problems via a contract for professional animal control service from the City of South Euclid. Dogs will still be prohibited from coming inside the restaurant unless they're area service animal. Ohio Law requires every dog owner to renew dog licenses between December 1 and January 31 of each year.