---
kind: "section"
citation: "46 C.F.R. § 45.9"
title: "46"
number: "45.9"
heading: "Seasonal application of load lines for vessels not marked under this part."
url: "https://uscodex.org/cfr/46/45.9"
---

# §45.9. Seasonal application of load lines for vessels not marked under this part.

- (a) For the purposes of the law and regulations prohibiting submergence of load lines ([46 U.S.C. 88c](/usc/46/88c.md); [46 CFR 42.07-10](/cfr/46/42.07-10.md)) the marks assigned to vessels holding international load line certificates apply during the following seasons:
  - (1) **Vessels assigned freeboards as new vessels under the International Load Line Convention, 1966—**
    - (i) **Winter—** November 1 through March 31.
    - (ii) **Summer—** April 1 through April 30 and October 1 through October 31.
    - (iii) **Tropical—** May 1 through September 30;
  - (2) **Vessels assigned freeboards as existing vessels under the International Load Line Convention, 1966—**
    - (i) **Winter—** November 1 through March 31;
    - (ii) **Summer—** April 1 through April 30 and October 1 through October 31;
    - (iii) **Tropical—** September 16 through September 30;
    - (iv) **Tropical Fresh—** May 1 through September 15.
- (b) Except for hopper dredges operating at working freeboards in accordance with [subpart C of part 44](/cfr/46/part44-subpartC.md) of this chapter, the Assigning Authority may not allow for lesser freeboards.

## Notes

### Amendments

[CGD 73-49R, 38 FR 12290, May 10, 1973, as amended by CGD 76-080, 54 FR 36977, Sept. 6, 1989]

### Authority

Authority: 46 U.S.C. 5104, 5108; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 73-49R, 38 FR 12290, May 10, 1973, unless otherwise noted.

### Amendments

[CGD 73-49R, 38 FR 12290, May 10, 1973, as amended by CGD 76-080, 54 FR 36977, Sept. 6, 1989]