During a dry-docking survey it is necessary to check the freeboard marking of a vessel. Which of the following certificates addresses vessel freeboard markings?

Correct Answer: Option C — International Load Line Certificate

The International Load Line Certificate is the governing document that specifies the vessel's assigned freeboard and the location of the load line marks on the hull. During dry-docking, surveyors verify that these marks are correctly positioned and legible, ensuring the vessel operates within its safe loading and stability parameters.