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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 23
Chapter I
Part 637 - PART 637—CONSTRUCTION INSPECTION AND APPROVAL
Subpart A - Subpart A [Reserved]
Subpart B [§ 637.201 - § 637.209] - Subpart B—Quality Assurance Procedures for Construction
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