Paragraph 3 Emergency DoorsI1

be clearly marked, in letters not less than 25 mm high, on both the inside and the outside, “EMERGENCY DOOR” or “FOR EMERGENCY USE ONLY”, and the means of its operation shall be clearly indicated on or near the door;

if hinged, open outwards;

be capable of being operated manually; and

when fully opened, give an aperture in the body of the vehicle not less than 1210 mm high nor less than 530 mm wide.