Citation, interpretation and application3

The Merchant Shipping (Closing of Openings in Enclosed Superstructures and in Bulkheads above the Bulkhead Deck) Regulations 1988 (“the principal Regulations”) (which apply only to United Kingdom ro/ro passenger ships) shall, subject to regulations 4 and 5 of these Regulations, apply also to ro/ro passenger ships other than United Kingdom ships, while they are within a port in the United Kingdom.