Part 1: Foundations, Chapter 1: The Progression of Impact Fees, Chapter 2: National Impact Fee Survey, Chapter 3: Legal Principles of Impact Fees, Chapter 4: State Impact Fee Enabling Acts, Part 2: Context, Chapter 5: Proportionate-Share Basics, Chapter 6: Credits, Chapter 7: Impact Fees and the Planning Connection, Chapter 8: Uniform Measures of Impact, Chapter 9: Variations of Proportionate-Share Fee Design, Part 3: Applications, Chapter 10: Proportionate-Share Fees for Physical Infrastructure, Chapter 11: Proportionate-Share Fees for Social Infrastructure, Chapter 12: Proportionate-Share Environmental Mitigation Fees for Green Infrastructure, Chapter 13: Proportionate-Share Fees for Operations and Maintenance, Part 4: Implementation, Chapter 14: Model Proportionate-Share Development Fee Ordinance, Chapter 15: Development Impact Fee Administrative Code, Epilogue