Previous Owner's Information. Need to sort out custody for your pet after a breakup, divorce, or roommate split?(1) An assistance animal is required to be reported to the Landlord with accompanying documentation. Buyer Signature. Date. 1. Review the form for required information. What belongs in a contract depends on why you're buying the dog. This contract is between the Seller and Buyer(s) signed below. If the dog is transferred to a third party, this Health Guarantee shall be void. The agreement relates to the following German Shepherd and adopter. Texas does not have any specific tenant pet laws.