33 C.F.R. § 117.33 Closure of draw for natural disasters or civil disorders.
Title 33 - Navigation and Navigable Waters
Drawbridges need not open for the passage of vessels during periods of natural disasters or civil disorders declared by the appropriate authorities unless otherwise provided for in Subpart B or directed to do so by the District Commander.
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart A—General Requirements
§ 117.33 Closure of draw for natural disasters or civil disorders.
