<P> In American high school and college basketball, officials wear black - and - white - striped shirts with black side panels, black pants, and black shoes . Some state high school association allow officials to wear grey shirts with black pin - stripes instead of black - and - white - striped shirts . </P> <P> NBA officials wear light grey shirts with black slacks and black shoes . The NBA shirt is light grey with one black colored stripe on either shoulder, a black stripe on either side, the official's number in the center at the top on the back, and the NBA logo above the breast . NBA officials sometimes wear alternate uniforms consisting of a white shirt with light gold shoulders and black stripes . NBA Summer League officials wear the same light grey shirt but with blue shoulders . Officials can sometimes where black shorts . The WNBA referee shirt is similar to the NBA referee shirt except that its shoulder and sleeve colors are orange, and the WNBA logo takes the place of the NBA logo . </P> <P> FIBA officials wear a grey (torso) and black (sleeves) shirt, black trousers, black socks, and black shoes . Officials in competitions organized by Euroleague Basketball (company)--the Euroleague and Eurocup--wear an orange shirt . Officials in the Israel Basketball Association wear the Euroleague's orange shirt but sometimes wear royal blue shirts for contests between two Israeli teams . NBL officials wear grey shirts with black shoulders and orange stripes on the sides . The NBL logo is atop the breast and a sponsor's name is on the back . Shirts are V - neck, without a collar, and pants lack belts . </P> <P> All officials wear a whistle that is used to stop play as a result of a foul or a violation on the court . Hand signals are used to indicate the nature of the infraction or to administer the game . </P>

Who is the official that controls the game of basketball