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US law
District of Columbia
Regulations
Title 12-A — CONSTRUCTION CODES SUPPLEMENT OF 2017
Chapter 2017-12-A4 — SPECIAL DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY
District of Columbia · Regulations
Chapter 2017-12-A4 — SPECIAL DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY
2 sections
2 sections
12-A DCMR 403
403. HIGH-RISE BUILDINGS
12-A DCMR 404
404. ATRIUMS