33 C.F.R. § 90.7 Sidelights for unmanned barges.
Title 33 - Navigation and Navigable Waters
An unmanned barge being towed may use the exception of COLREGS Rule 24(h). However, this exception only applies to the vertical sector requirements for sidelights. [CGD 94–011, 63 FR 5732, Feb. 4, 1998]
Title 33: Navigation and Navigable Waters
PART 90—INLAND RULES: INTERPRETATIVE RULES
§ 90.7 Sidelights for unmanned barges.

