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An intergovernmental agreement (IGA) is any agreement that involves or is made between two or more governments in cooperation to solve problems of mutual concern.  Intergovernmental agreements can be made between or among a broad range of governmental or quasi-governmental entities, such as two or more counties, two or more municipalities, a municipality and a special district, and so forth.  Governments use IGAs for cooperative planning, development review, resource sharing, joint planning commissions, building inspection services, and more.

Planning for Growth: Intergovernmental Agreements in Colorado is a handbook designed for local government staff and officials who are considering cooperative planning, and specifically, Intergovernmental Agreements (IGAs).  Developing an IGA can be challenging, and this handbook provides an overview of the process, when and how they are used, frequently asked questions, and provides sample agreements from all over the state.  Check out more Colorado examples from the list below.


IGA Handbook


Sample IGAs




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