49 C.F.R. § 176.162 Security.
Title 49 - Transportation
A responsible person must be present at all times when the hatches of spaces containing Class 1 (explosive) materials are open. No unauthorized person may be permitted to access spaces in which Class 1 (explosive) materials are stowed. Magazines must be secured against unauthorized entry when loading has been completed, or when loading or unloading is stopped. Packages containing Class 1 (explosive) materials may not be opened on board ship.
Title 49: Transportation
PART 176—CARRIAGE BY VESSEL
Subpart G—Detailed Requirements for Class 1 (Explosive) Materials
Precautions During Loading and Unloading
§ 176.162 Security.
