In
(a), if either or both team member’s number is changed in the scorebook, one technical foul is charged to Team B. If there is no request for change or if neither becomes a player, thus avoiding the change, there is no penalty. In
(b), a technical foul is charged to Team B upon discovery of the identical numbers. Only one team member may wear a given number; the other must change to a number not already in use before participating.