The Complete Guide to Breeding Pedigree Cats has a Sample Cat Breeder Contract that you can download and use in your cattery. The contract that you sign when you buy a cat from a breeder is more than a simple bill of sale.The Mare Owner agrees to return semenshipping container to the Stallion Manager in a timely manner via Federal Express. Complete and mail Form REG-1, Illinois Business Registration Application. This agreement is between Amanda Stewart (Seller) of FastPaws Bengals and. (Buyers). Edit, sign, and share Cat Sale and Desexing Contract online. No need to install software, just go to DocHub, and sign up instantly and for free. The contract that you sign when you buy your dog from a breeder is much more than a simple bill of sale. When a breeder sells a cat with breeding rights, the buyer becomes the breeder's competitor in the show ring. Breeders often receive emails from people who are interested in breeding cats.