ART. 1 . . . The backboards must be the same size at both ends of the court. The backboard must be one of three types:
(1) a rectangle 6 feet horizontally and 4 feet vertically; or
(2) a rectangle 6 feet horizontally and 3½ feet vertically; or
(3) a fan-shaped backboard, 54-inches wide and with dimensions as shown in Figure 1-2.
ART. 2 . . . Each of the backboards must be of any rigid material. The front surface must be flat and, unless it is transparent, it must be white. Tinted glass backboards are prohibited. Figure 1-2 gives specifications for the three types of backboards. See Rule 1, Sections 7, 8, 9. It is not legal to paint a fan-shaped board on a rectangular backboard.
ART. 3 . . . If the backboard is transparent, it must be marked as follows: A rectangle must be centered behind the ring and marked by a 2-inch white line. The rectangle must have outside dimensions of 24 inches horizontally and 18 inches vertically. For the rectangular backboard, the top edge of the backboard must be level with the ring. For the fan-shaped backboard, the baseline must be omitted, and the two vertical lines must be extended to the bottom of the backboard. The rectangular target in a bright orange or black color may be used on a nontransparent backboard. The border of the backboard must be marked with a white line. The border must be 3 inches or less in width.
ART. 4 . . . Either type backboard may be transparent or nontransparent. No logo, marking, lettering, etc., is permitted on the backboard, backboard padding, or basket. Figure 1-2
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