1. The officer or public body of a local governmental unit within the region having final authority thereon shall refer to the regional planning commission, for its consideration and report, the following matters: The location of or acquisition of land for any of the items or facilities which are included in the adopted regional comprehensive plan.
2. Within twenty days after the matter is referred to the regional planning commission or such longer period as may be stipulated by the referring officer or public body, the commission shall report its recommendations to the referring officer or public body. The report and recommendations of the commission shall be advisory only.
3. Local units and state agencies may authorize the regional planning commission with the consent of the commission to act for such unit or agency in approving, examining or reviewing plats, pursuant to sections 64.070, 64.245, 64.590, 64.820, 64.830 and 88.163, as the case may be.