This document establishes the specific regulatory amendments governing medical examination requirements for merchant shipping personnel as enacted in 1990. The text serves as a formal statutory instrument issued by the United Kingdom government to update existing maritime safety and health standards. It provides the legal framework for compliance, outlining the obligations of shipowners and the medical criteria for seafarers to ensure operational safety at sea.

This document is utilized primarily by maritime legal professionals, shipping company compliance officers, and regulatory bodies. Readers frequently note the technical density of the prose, as it is written in formal legislative language intended for strict legal application.