Check these out:
1)
Board 41 Nassau County New York
2)
http://ds062.k12.sd.us/activities%20...clockrules.pdf
They read:
1) "A-1 shoots and misses rim, horn, shot clock violation, ball to Team B at endline"
2) "If the try is unsuccessful and the ball doesn’t hit the rim or flange you have a shot clock violation, a whistle is sounded by the referee and Team B is awarded a throw-in on the end line"