ORS 190.010: Authority of local governments to make intergovernmental agreement.

A unit of local government may enter into a written agreement with any other unit or units of local government for the performance of any or all functions and activities that a party to the agreement, its officers or agencies, have authority to perform. The agreement may provide for the performance of a function or activity:

      (1) By a consolidated department;

      (2) By jointly providing for administrative officers;

      (3) By means of facilities or equipment jointly constructed, owned, leased or operated;

      (4) By one of the parties for any other party;

      (5) By an intergovernmental entity created by the agreement and governed by a board or commission appointed by, responsible to and acting on behalf of the units of local government that are parties to the agreement; or

      (6) By a combination of the methods described in this section.