Indiana Code Title 36. Local Government § 36-9-30-14

Sec. 14. A unit constructing, acquiring, or maintaining facilities for the collection and disposal of solid waste may contract with a unit that wants to use the facilities for the payment of all or part of the cost and expenses of the facilities, for any term not exceeding twenty-five (25) years.  A contract under this section must be executed in accordance with IC 36-1-7.