Sec. 505. (a) When the plan commission undertakes the preparation of a comprehensive plan, the commission may request any public or private officials to make available any information, documents, and plans that have been prepared and that provide any information that relates to the comprehensive plan.
(b) All officials and departments of state government and of the political subdivisions operating within lands under the jurisdiction of the plan commission shall comply with requests under subsection (a).
(c) All officials of public and private utilities operating within lands under the jurisdiction of the plan commission shall comply with requests under subsection (a) to furnish public information.