Regulation 6 Marking of Exits
In every ship to which these Regulations apply, not being an open or partially decked ship of Classes V, VI or VI(A), all doors provided for passenger use and leading from passenger compartments to open decks shall be clearly indicated with one or more signs marked “EXIT”. All doors, windows, side scuttles and other openings provided for emergency escape purposes shall be clearly indicated with one or more signs marked “EMERGENCY ESCAPE DOOR” or “EMERGENCY ESCAPE WINDOW” as appropriate.