1. The official should carry a spare whistle for emergency use.

2. When the lead official closes down toward the free-throw lane line, the center official should rotate to the trail position.

3. The lead official always administers throw-ins on the sideline if the designated spot is below the free throw line extended.

4. Before each extra period, the referee should instruct the timers, scorers, and captains' as to the correct overtime procedures.

5. If conditions warrant a conference, both coaches should be involved in the discussion.

6. Before putting the ball in play, the official with the ball should glance at the table to see if substitute has reported and is ready to enter

7. On a throw-in following any timeout, intermission, or an unusual delay, the administering official shall sound the whistle to indicate play is about to begin.

8. In certain situations, the lead official may administer throw-ins on the sideline.

9. A switch refers to a live-ball situation whereby the location of the ball keys a change in coverage for the officials.

10. During normal play, the trail official's position should normally be at the midpoint between the top of the key and the division line.

11. Location of the ball determines which side of the court is considered ball side.

12. Strong side is determined by location of lead official.

13. Strong side is determined by the location of the ball.

14. Opposite-side refers to the side of the court opposite the scorer's and timer's table.

15. During a jump ball situation, U2 is responsible for signaling the clock to start when the ball is tapped.

16. On a jumpball, the U2 is responsible for the starting the clock.

17. On a jump ball, the U2 is responsible for the eight non-jumpers.

18. U2 has the primary responsibility for calling back a poor toss and signaling the clock to start when the ball is legally touched.

19. The administering official will sound the whistle to indicate play will resume after a timeout

20. On sideline throw-ins, it is recommended that the official bounce the ball to the player.

21. Player control fouls do not require the stop the clock signal; give the player control foul immediately.

22. The official shall hand or bounce the ball to the thrower for a throw-in in all situations.

23. After blowing the whistle to indicate a foul, the calling official should move near the fouling player, inform the player that he/she has fouled by stating the shirt color and number, and indicate the nature of the foul.

24. The official reporting a foul to the table will come to a complete stop before communicating

25. While a foul is reported, the free officials are responsible for retrieving the ball for the subsequent throw or free throws.

26. If the foul calling official is in a position opposite the scorer's table, and there is a free throw, there will be no switch.

27. On all fouls, the calling official reports the foul to the scorers table and moves opposite the table, for a throw-in, or in position for a free throw.

28. On all fouls the calling official reports the foul and moves to the center position.

29. In general, the official who calls a foul remains table side.

30. After calling a technical or intentional foul, the calling official should administer the free throw.

31. It is no longer necessary to signal successful 2-point goal or free throws.

32. The center official will administer the first throw by each thrower, if more than one thrower is involved.

33. Officials may relay time-outs.

34. Officials may not relay timeouts.

35. Time outs requested by the head coach should be reported to the table by forming the shape of a "C" with the hand.

36. During a 30-second time-out, the non-administering officials shall stand at the top of the arc.

37. The center official has primary responsibility for making the call on a last second shot.

38. The table-side (center or trail) official is primarily responsible for making the call on any last second shot unless given up by prior agreement.

39. The lead official should not give the five-second closely guarded count.

40. The areas of responsibility for a three-point try between the trail and center officials is equally divided.

41. The center official has primary responsibility for officiating players in the post.

42. There should never be two officials in the center position.

43. There should never be two officials in the trail position.

44. It is permissible to have two center officials for brief periods of time.

45. When the lead official closes down toward the free-throw lane line, the trail official should close down to the center position.

46. After a jump ball is completed, the referee will always assume the center position.

47. After a jump ball is completed, the referee will always assume the trail position.

48. A player control foul committed just inside the top of the free-throw semicircle in the frontcourt requires that the throw-in be administered at the endline.

49. All throw-ins from the end line in a team's frontcourt, the administering official shall place thrower between himself and the nearest sideline.

50. End line throw-ins in a team's backcourt, the administering official shall place himself between the thrower and the sideline he is responsible for.

51. The lead official never administers throw-in on the sideline.

52. In the backcourt, the trail official shall administer all throw-ins except those on the center official's side of the court.

53. On all sideline throw-ins in the backcourt going to the frontcourt, the trail official shall be positioned between the thrower and the far endline.

54. On all sideline throw-ins in the backcourt going to the frontcourt, the trail official shall be between the ball and the far endline.

55. On all sideline throw-ins in backcourt going to frontcourt, the trail official shall be between the ball and near endline.

56. Front court throw-ins from the endline require the lead official to be positioned between the thrower and the near sideline.

57. The position of the officials during a time-out is the same whether the time-out is a 60 or 30-second time-out.

58. A visible count is not used for all 3-second lane violations.

59. A visible count is used for 3 seconds in lane situations.

60. When a technical foul is also charged indirectly to the head coach, it counts only as one team foul.

61. The calling official always remains table side after reporting the foul to the scorer's table.

62. U2 has the primary responsibility for signaling the clock to start and calling back a poor toss.

63. The Referee or designated tosser will always initially become the trail official following a jump ball.

64. The trail official's area of primary coverage includes the free throw semi-circle.

65. When a player with the ball starts a drive to the basket from an official's primary area, that official has the player and the ball all the way to the basket.

66. On a throw-in in the frontcourt, the trail official is responsible for the division line.

67. The lead official always keys the rotation.

68. For switching after a foul, the table side official replaces the calling official.

69. For both, the 60-second timeouts and intermission between quarters (not halftime), officials shall position themselves on the blocks facing the bench area.

70. Both the center and the trail official should signal for a successful three-point goal.

71. Each official's primary coverage area is determined by the location of the ball.

72. The lead official should not rotate until all three officials are in the frontcourt.

73. On a throw-in, the administering official should make eye contact with their partners before bouncing the ball to the thrower.

74. The Lead official may be on either side of the thrower for an end line throw-in in the backcourt.

75. If a trap occurs nears the division line on the Center Official's side of the court, the Lead Official should initiate a rotation.

76. During transition passing on a fast break, the Center Official should normally stay with the passer and the new Lead Official should take the ball.

77. The only time a switch should not take place is when there is a foul in the backcourt going to the frontcourt with no free throws.

78. The Lead Official calls a foul and is about ready to administer the throw-in when he is requested to come to the table to clarify the individual who fouled. The official may place the ball on the throw-in spot when reporting to the table.

79. Generally, the official who has primary coverage at the time of the double whistle should take control of the call.

80. U1 issues a warning to the Team B head coach for excessive complaining. U1 should inform the other two officials at the first opportunity that a warning was issued.

81. The official who calls an intentional foul becomes the Trail Official for the free throws.

82. All three officials have responsibility to ensure that players are aligned in their proper lane spaces during a free throw.

83. When administering a throw-in on the end line and remaining in the front court, it is recommended that the official hand the ball to the player.