If the applicant is approved, it`s time to create a colocation (download) agreement. This must be done with all roommates (if more than two (2) in total). It is customary that when signing the lease and before moving in, the new roommate pays the deposit (if applicable) and the first (1st) month`s rent. This could save you and all roommates from many headaches if the person tries to get free housing in the short term. In the event of a dispute about this agreement or any aspect of the common housing situation, the roommates will ask an impartial mediator to sit down with them and try to resolve the issues in good faith. Utility Roommate Agreement – a colocation agreement with sections that allow to establish rules for certain utilities such as Internet, cables, deposits and general electricity bills.