Section 8A-3-13 - Intergovernmental cooperation(a) With a view to coordinating and integrating the planning of municipalities and/or counties with each other, all governing bodies and units of government within the lands under the jurisdiction of the planning commission preparing or amending a comprehensive plan, all governing bodies and units of government affected by the comprehensive plan, and any other interested or affected governing body, unit of government or planning commission, must cooperate, participate, share information and give input when a planning commission prepares or amends a comprehensive plan.(b) All planning commissions, governing bodies and units of government are authorized to cooperate and share information with each other and may adopt rules and regulations to coordinate and integrate planning.(c) All planning commissions, governing bodies and units of government must make available, upon the request of a planning commission, any information, maps, documents, data and plans pertinent to the preparation of a comprehensive plan.