1(a) The court shall be a rectangle and laid out as in the following Diagram A (except in the case provided for in paragraph 1(d) of this Law) and to the measurements there shown, and shall be defined preferably by white or yellow lines or, if this is not possible, by other easily distinguishable lines 40mm (1 1/2 inches) wide.
1(b) To show the zone in which a shuttle of correct pace lands when tested (see Law 4(d)), an additional four marks 40mm by 40mm (1 1/2 inches by 1 1/2 inches) may be made up as follows:
-inside each side line for singles of the right service court, 530mm (l foot 9 inches) and 990mm (3 feet 3 inches) from the back boundary line.
In making these marks, their width shall be within the measurement given, i.e., the marks will be from 530mm to 570mm (1 foot 9 inches to 1 foot 10 1/ 2 inches) and from 950mm to 990mm (3 feet 1 1/2 inches to 3 feet 3 inches) from the outside of the back boundary line.
1(c)(i) The width 40mm (1 1/2 inches) of the centre lines shall be equally divided between the right and left service courts.
1(c)(ii) The width 40mm (1 1/2 inches) of each of the short service line and the doubles long service line shall fall within the 3.960 metres (13 feet) measurement given as the length of the service court.
1 (c)(iii) The width 40mm (1 1/2 inches) of all other lines shall fall within the measurements given.
1(d) Where space does not permit the marking out of a court for doubles, a court may be marked out for singles only, as shown in Diagram B. The back boundary lines become also the long service lines, and the posts, or the strips of material representing them as referred to in Law 2, shall be placed on the side lines.