46 C.F.R. § 45.35 Seasonal load lines.
Title 46 - Shipping
Each vessel must have the summer (S), midsummer (MS), intermediate (I), and winter (W) loadlines for fresh water freeboards calculated under §§45.71 through 45.75 marked in accordance with §45.39.
Title 46: Shipping
PART 45—GREAT LAKES LOAD LINES
Subpart B—Load Line Marks
§ 45.35 Seasonal load lines.
