http://www.nfhs.org/web/2006/08/basketball.aspx
3-5-3: Changed the guidelines for headbands and sweatbands.
3-6: Added that a school logo/mascot is also permitted on the pants, compression shorts, sweatbands and headbands.
5-10-1: The exact time observed by the official may be placed on the clock when a timer's mistake has occurred.
4-47-4, 10-1-5e New: A fourth warning for delay was added for failure to have the court ready to play following any time-out.
9-2-11, 10-1-5 c, d: Changed the procedure for delay warnings to only one warning for any of four delay situations (previously three).
Signal Chart: Established a new signal for a team-control foul. The arm is extended and the fist is punched.
2006-07 Major Editorial Changes
3-3-6: Clarified that a player who has any amount of blood on his/her uniform shall be directed to leave the game until the situation is corrected.
4-10: Clarified that a closely guarded count is terminated when an offensive player in control of the ball gets his/her head and shoulders past a defensive player.
4-19-14: Clarified that an unsporting foul can be a noncontact technical foul which involves behavior not in accordance with the spirit of fair play.
4-34-1, 2: Clarified that a player is one of five team members who are legally in the game at any given time except intermission and that during an intermission, all team members are bench personnel.
5-11-2 Clarified that during a 30-second time-out, no on-court entertainment should occur.
Points of Emphasis
1. Concussions
2. Uniforms
3. Time-outs
4. Intentional Fouls
5. Rule Enforcement/Proper Signal Use