Section 43 in The Inland Steam Vessels (Madhya Pradesh) Rules, 1962
43.
Where there are deck houses or engine room casing, if the space between the house or casing and the bulwarks is less than 21 feet the space shall not been measured, unless the house or casing is law enough to provide seating accommodation when the measurements may be taken to the back of the seats, provided the deck space is not less than 1.5 feet and width of seat 1.5 feet.
