46 C.F.R. § 45.5 Seasonal application of load lines.
Title 46 - Shipping
For the purposes of the law and regulations prohibiting submergence of load lines (46 U.S.C. 88c; 46 CFR 42.07–10), the fresh water and salt water load lines marked under this part apply during the following seasons: (a) Summer load lines apply April 16 through April 30 and September 16 through September 30. (b) Except for hopper dredges operating at working freeboards in accordance with subpart C of part 44 of this chapter, the Assigning Authority may not allow for lesser freeboards. (c) Intermediate load lines apply October 1 through October 31 and April 1 through April 15. (d) Winter load lines apply November 1 through March 31.
Title 46: Shipping
PART 45—GREAT LAKES LOAD LINES
Subpart A—General
§ 45.5 Seasonal application of load lines.