The rule of thumb is that you get a yes from your landlord before you say yes to a soft, fluffy kitten or puppy. The pet contract is usually “added” by an amendment or modification to an existing rental agreement and is part of the initial legally binding contract between the lessor and the tenant. A pet supplement (or pet contract) to a lease is a legal and binding contract between two parties, an owner and the tenant. Often, the original lease or lease did not allow pets or was silent about whether pets were allowed. If you are a tenant and want to bring a pet into your home, make sure you don`t break the rules of the rental agreement and risk getting an eviction notice! Bring the idea of a supplement to your landlord and discuss first. Do you need someone to take care of your pet on vacation? Be sure to sign a pet care agreement. The entry of a pet documents this modification of the original lease or lease and describes the different rights and obligations of having an animal on the site. US News reported that pet owners typically expect to spend less than $US 200 on a pet deposit, based on a 2013 survey. Step 3 – Enter the number and type of pets the tenant may have. Next, write down the number of books a pet can weigh. .