The Council shall cooperate with other units of State government. The Council shall submit for approval each plan or project of the Council in which the State units have a statutory function or responsibility. The Council may: cooperate with and provide planning assistance to local governments, instrumentalities, and planning units in the region; and coordinate regional area planning with: planning activities of the State and of the local governmental units, including special districts, in the region and neighboring areas; and programs of the federal government.