How do I fill this out? This agreement is made between.When you have an adult child is living at home, a contract can help address concerns and keep everyone at ease. Complete your addendum and upload it to ePREP > Applications tab >Additional Information > Practice Information. Cooking, laundry and jobs: I agree to complete the following list of jobs in order to help out in the household and to avoid extra room and board charges. It depends on types of control. Legally in the US you are considered an adult at 18.