ART. 1 . . . The ball must meet the following specifications:
a. Its solid color must be Pantone Matching System (PMS) Orange 151, Red-Orange 173 or Brown 1535, effective 2019-20.
b. It must be spherical.
c. It must have a deeply-pebbled cover with horizontally shaped panels bonded tightly to the rubber carcass.
d. The circumference must be:
1. Within a minimum of 29½ inches to a maximum of 30 inches for high school boys competition.
2. Within a minimum of 28½ inches to a maximum of 29 inches for high school girls competition.
e. The weight must be: Figure 1-3
1. Within a minimum of 20 ounces to a maximum of 22 ounces for high school boys competition.
2. Within a minimum of 18 ounces to a maximum of 20 ounces for high school girls competition.
f. The black rubber rib separating the panels must not exceed ¼ inch in width.
g. The ball must include the NFHS Authenticating Mark. The mark can be displayed in either format shown in Figure 1-3. A current list of NFHS authenticated products can be found on the Web site, www.nfhs.org.
ART. 2 . . . The ball must be inflated to an air pressure such that when it is dropped to the playing surface from a height of 6 feet, measured to the bottom of the ball, it must rebound to a height, measured to the top of the ball, of not less than 49 inches when it strikes on its least resilient spot, nor more than 54 inches when it strikes on its most resilient spot. NOTE: To be legal, the air pressure which will give the required reaction must be stamped on it. The pressure for game use must make the ball bounce legally.
ART. 3 . . . The home team must provide a ball which meets the specifications. The referee must be the sole judge of the legality of the ball and may select a ball provided by the visiting team.
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