46 C.F.R. § 69.167 Superstructure tonnage.
Title 46 - Shipping
The superstructure tonnage provisions in §69.113 apply; except that, under the Dual Measurement System, spaces between the line of the uppermost complete deck and the uppermost complete deck itself due to a stepped uppermost complete deck are not included in the superstructure tonnage.
Title 46: Shipping
PART 69—MEASUREMENT OF VESSELS
Subpart D—Dual Measurement System
§ 69.167 Superstructure tonnage.
