Part 2Districtwide Regulations § 3-2. In general. § 3-3. Conformance to programs, plans, and BFR Codes. § 3-4. Residential structures. § 3-5. Nonresidential or mixed use structures. § 3-6. Less than substantial improvement. § 3-7. Impacts on habitat. § 3-8. Design, anchoring, and materials. § 3-9. Landscape design. § 3-10. Electric, plumbing, and mechanical systems. § 3-11. Storage. § 3-12. Fill. § 3-13. Accessory structures. § 3-14. Enclosures below lowest floor or flood-protection elevation. § 3-15. Watercourses. § 3-16. Flood protection setback. § 3-17. Utilities and facilities. § 3-18. Nontidal AE Zones without designated floodways. § 3-19. Recreational vehicles. § 3-20. Temporary structures or storage. § 3-21. Letter of Map Change. 3-22. {Reserved}