Choose between PRINTED or ONLINE. A Pet Care Agreement is a formal contract that defines the terms of pet-sitting services between the pet owner and the pet sitter.Three templates for service dog letters from healthcare professionals, covering the types of letters service dog users may legally need. Animals that must be permitted in the covered facilities. Under the ADA regulations, service animals are limited to dogs or miniature horses that are. Landlords may not discriminate against tenants with disabilities due to ADA laws. Deposits cannot be collected on service dog. All of this and more is outlined in a contract or service agreement to prevent headaches and confusion down the road. Many people with disabilities use a service animal in order to fully participate in everyday life.