Iowa StatutesCHAPTER 28I - METROPOLITAN OR REGIONAL PLANNING COMMISSIONS28I.1 - AUTHORITY OF GOVERNING BODIES -- JOINT COMMISSION.28I.2 - MEMBERSHIP.28I.3 - ORGANIZATION.28I.4 - POWERS AND DUTIES.28I.5 - PLANS DISTRIBUTED.28I.6 - FILING DOCUMENTS WITH COMMISSION.28I.7 - CONSTRUCTION OF PROVISIONS.28I.8 - CONTRACTS FOR PLANNING.