Title 6. Housing and Building Restrictions and Regulations. Chapter 1. National Capital Housing Authority. §§ 6-101.01 – 6-103.01 Chapter 2. District of Columbia Housing Authority. §§ 6-201 – 6-271 Chapter 3. Housing Redevelopment. §§ 6-301.01 – 6-341.05 Chapter 4. Building Lines. §§ 6-401 – 6-406 Chapter 5. Flood Hazards. §§ 6-501 – 6-507 Chapter 6. Zoning and Height of Buildings. §§ 6-601.01 – 6-661.02 Chapter 7. Fire Safety. §§ 6-701.01 – 6-751.11 Chapter 8. Unsafe Structures. §§ 6-801 – 6-808 Chapter 9. Insanitary Buildings. §§ 6-901 – 6-919 Chapter 10. Community Development. §§ 6-1001 – 6-1073 Chapter 11. Historic Landmark and Historic District Protection. §§ 6-1101 – 6-1157 Chapter 12. Preservation of Historic Places and Areas in the Georgetown Area. §§ 6-1201 – 6-1207 Chapter 13. Regulation of Foreign Missions. §§ 6-1301 – 6-1315 Chapter 13A. Foreign-Government-Owned Real Property Task Force. §§ 6-1331 – 6-1331 Chapter 14. Construction Codes. §§ 6-1401 – 6-1431 Chapter 14A. Green Building Requirements. §§ 6-1451.01 – 6-1451.11 Chapter 14B. Net-zero-energy Building Code Requirements. §§ 6-1453.01 – 6-1453.02 Chapter 15. Economic Development Zone Incentives. §§ 6-1501 – 6-1506