1. The document outlines procedures for officials before, during, and after a jump ball and the beginning of each quarter of a basketball game. 2. It describes the basic positioning and responsibilities of the lead and trail officials during live play, including coverage areas and movements related to the flow of play. 3. Guidelines are provided for signaling violations and fouls, including stopping the clock, indicating the infraction and its result, and reporting the call from a designated area.

2. On the court 20 minutes before
game time
Opposite the table
Referee to make sure:
◦ score sheet is correctly prepared 10
minutes before game time
◦ coaches confirm list and sign score sheet
◦ 5 starters are indicated
At 2:00 prior to game – officials
come across floor and meet
coaches
At 1:30 pre-game and at half time
referee is to blow the whistle to
bring teams to bench
At 0:30 prior to the start of each
quarter, referee blows whistle to
bring teams out from benches to
start

3. Referee checks with partner to
make sure table crew and
partner is ready
Referee enters jump ball circle
once he/she is absolutely
positive everything is ready
◦ Don not have whistle in mouth
◦ Make sure both jumpers are ready
◦ Toss ball higher than either jumper
can jump
Umpire is ready to start the
clock and must verify that the
tap was legal
◦ That the ball had reached its
highest point prior to being tapped
◦ That the movement of the 8 non-
jumpers was according to the rules
OPENING TOSS

4. Referee will remain stationary
until play has cleared the jump
ball circle
Referee will set the possession
arrow by indicating the
direction to the scorers’ table
once first team control has
been established
Umpire will move to the lead
position in the direction of
play
Referee will become the trail in
the direction of play

5. Basic
Positions
Lead and Trail can be on
either side of the court
Start of play (throw-in or
free throw) dictates officials
positions on the court
Lead is responsible for front
court end line and closest
sideline for out of bounds
calls
Trail is responsible for the
back court end line and
closest sideline for out of
bounds, as well the division
line for back court violations
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6. Trail is responsible for on-ball
coverage in areas 1, 2, 3, and 6
(outside the 3 point arc)
Lead is responsible for on-ball
coverage in area 4
Trail and Lead share the
responsibilities of on-ball
coverage in the dark shaded
area (5 and 6 inside the 3 point
arc)
1 2 3
456
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7. Trail is responsible for on-ball
coverage in areas 1, 2, 3, and 4
(outside the 3 point arc)
Lead is responsible for on-ball
coverage in area 6
Trail and Lead share the
responsibilities of on-ball
coverage in the dark shaded
area (5 and 4 inside the 3 point
arc)
1 2 3
456
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8. Always move when the ball moves
Box-in all players
Move to see the air (space)
between players
Trail works the arc and penetrates
when the ball penetrates below the
free-throw line extended on a
shot, pass or dribble
Lead mirrors the ball between the
closest lane line and sideline (step
back from end line to get a wider
angle)
LL
LL
LL
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9. 1. Two and three-point field goal attempts including judging
whether time had expired at the end of playing time for a
period or extra period or a twenty-four second violation had
occurred.
2. Goal tending and interference.
3. Rebounding situations, especially over-the-back situations.
4. Low post area, especially on weak side (away from the ball).
5. Fouls away from lead official.
6. Travelling violations (trail official has the best angle of
vision).
7. Twenty-four second device.
Remember the principles of mechanics:Remember the principles of mechanics:Remember the principles of mechanics:Remember the principles of mechanics:
1. The trail official must always move when the ball moves.
2. Box-in, that is, keep all the players between the two (2)
officials.
3. Penetrate when the ball penetrates below the free-throw line
extended on a shot, pass or dribble.
4. Look for the spacesLook for the spacesLook for the spacesLook for the spaces between the players.
T

10. 1. Pivot/post play.
2. Play under the basket.
3. Fouls away from trail official.
4. Drive to the basket on lead’s side of
the playing court.
Remember the principles of mechanics:Remember the principles of mechanics:Remember the principles of mechanics:Remember the principles of mechanics:
1. AlwaysAlwaysAlwaysAlways move when the ball moves.
2. Box-in all the players between the
officials’ field of vision.
3. Look for the spaces between the
players.
4. Step back from the end line to get a
wider angle of vision.
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11. ThrowThrowThrowThrow----in spotin spotin spotin spot nearestnearestnearestnearest
to point of infractionto point of infractionto point of infractionto point of infraction
NotNotNotNot behindbehindbehindbehind backboardbackboardbackboardbackboard
DiagonalDiagonalDiagonalDiagonal fromfromfromfrom elbowelbowelbowelbow totototo
corner:corner:corner:corner: endlineendlineendlineendline
ThrowThrowThrowThrow----inininin fromfromfromfrom backbackbackback
courtcourtcourtcourt handledhandledhandledhandled bybybyby TrailTrailTrailTrail

12. LeadLeadLeadLead betweenbetweenbetweenbetween playerplayerplayerplayer
andandandand sidelinesidelinesidelinesideline
LeadLeadLeadLead blowsblowsblowsblows whistlewhistlewhistlewhistle totototo
resumeresumeresumeresume playplayplayplay
Hand theHand theHand theHand the ballballballball totototo
throwerthrowerthrowerthrower----inininin
LeadLeadLeadLead raisesraisesraisesraises arm toarm toarm toarm to
startstartstartstart clockclockclockclock onononon throwthrowthrowthrow----inininin
andandandand TrailTrailTrailTrail mirrorsmirrorsmirrorsmirrors thisthisthisthis
actionactionactionaction
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13. LeadLeadLeadLead becomesbecomesbecomesbecomes new T andnew T andnew T andnew T and
willwillwillwill bouncebouncebouncebounce thethethethe ballballballball
accrossaccrossaccrossaccross restrictedrestrictedrestrictedrestricted area toarea toarea toarea to
playerplayerplayerplayer atatatat throwthrowthrowthrow----in spotin spotin spotin spot
TrailTrailTrailTrail becomesbecomesbecomesbecomes newnewnewnew LeadLeadLeadLead
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14. LeadLeadLeadLead becomesbecomesbecomesbecomes newnewnewnew TrailTrailTrailTrail
andandandand shallshallshallshall move and handmove and handmove and handmove and hand
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spotspotspotspot
TrailTrailTrailTrail comescomescomescomes over andover andover andover and
becomesbecomesbecomesbecomes newnewnewnew LeadLeadLeadLead
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15. LeadLeadLeadLead becomesbecomesbecomesbecomes newnewnewnew TrailTrailTrailTrail
andandandand bouncesbouncesbouncesbounces ballballballball totototo playerplayerplayerplayer
atatatat throwthrowthrowthrow----in spotin spotin spotin spot
TrailTrailTrailTrail becomesbecomesbecomesbecomes newnewnewnew LeadLeadLeadLead
B
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16. LeadLeadLeadLead comescomescomescomes accrossaccrossaccrossaccross andandandand
becomesbecomesbecomesbecomes newnewnewnew TrailTrailTrailTrail andandandand
bouncesbouncesbouncesbounces ballballballball totototo playerplayerplayerplayer atatatat
throwthrowthrowthrow----in spotin spotin spotin spot
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becomesbecomesbecomesbecomes newnewnewnew LeadLeadLeadLead
L
B
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17. LeadLeadLeadLead willwillwillwill bouncebouncebouncebounce thethethethe
ballballballball to theto theto theto the throwerthrowerthrowerthrower----inininin
atatatat thethethethe designateddesignateddesignateddesignated spotspotspotspot
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B

18. T
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TrailTrailTrailTrail willwillwillwill movesmovesmovesmoves acrossacrossacrossacross totototo
handlehandlehandlehandle throwthrowthrowthrow----inininin atatatat thethethethe
designateddesignateddesignateddesignated spotspotspotspot
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restrictedrestrictedrestrictedrestricted area oppositearea oppositearea oppositearea opposite
thethethethe throwthrowthrowthrow----inininin
B

19. T
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TrailTrailTrailTrail willwillwillwill handlehandlehandlehandle thethethethe
throwthrowthrowthrow----inininin
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accros theaccros theaccros theaccros the handlehandlehandlehandle thethethethe
throwthrowthrowthrow----in andin andin andin and LeadLeadLeadLead willwillwillwill
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area opposite thearea opposite thearea opposite thearea opposite the throwthrowthrowthrow----inininin
B
B
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20. T
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throwthrowthrowthrow----inininin
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come accros thecome accros thecome accros thecome accros the handlehandlehandlehandle
thethethethe throwthrowthrowthrow----in andin andin andin and LeadLeadLeadLead willwillwillwill
movemovemovemove acrossacrossacrossacross the courtthe courtthe courtthe court
opposite theopposite theopposite theopposite the throwthrowthrowthrow----inininin
B
B
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L
B
B
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21. StopStopStopStop clockclockclockclock: arm straight up,: arm straight up,: arm straight up,: arm straight up, clenchedclenchedclenchedclenched fistfistfistfist
IndicateIndicateIndicateIndicate infraction andinfraction andinfraction andinfraction and resultresultresultresult
◦ NumberNumberNumberNumber of freeof freeof freeof free throwsthrowsthrowsthrows orororor designateddesignateddesignateddesignated throwthrowthrowthrow----in spotin spotin spotin spot
RUN toRUN toRUN toRUN to reportingreportingreportingreporting area (area (area (area (clearclearclearclear ofofofof playersplayersplayersplayers) and STOP) and STOP) and STOP) and STOP
ReportReportReportReport whilewhilewhilewhile standingstandingstandingstanding stillstillstillstill
◦ Say teamSay teamSay teamSay team colourcolourcolourcolour
◦ SignalSignalSignalSignal numbernumbernumbernumber ofofofof playerplayerplayerplayer thatthatthatthat commitedcommitedcommitedcommited thethethethe foulfoulfoulfoul
◦ IndicateIndicateIndicateIndicate nature ofnature ofnature ofnature of foulfoulfoulfoul
◦ NumberNumberNumberNumber of freeof freeof freeof free throwsthrowsthrowsthrows or direction ofor direction ofor direction ofor direction of playplayplayplay
RUN toRUN toRUN toRUN to nextnextnextnext positionpositionpositionposition
CallingCallingCallingCalling officialofficialofficialofficial becomesbecomesbecomesbecomes orororor remainsremainsremainsremains TTTT
Free officialFree officialFree officialFree official keepskeepskeepskeeps allallallall playersplayersplayersplayers withinwithinwithinwithin fieldfieldfieldfield of visionof visionof visionof vision

22. T
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LeadLeadLeadLead callscallscallscalls foulfoulfoulfoul on offensiveon offensiveon offensiveon offensive playerplayerplayerplayer
LeadLeadLeadLead reportsreportsreportsreports
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TrailTrailTrailTrail becomesbecomesbecomesbecomes newnewnewnew LeadLeadLeadLead
TrailTrailTrailTrail callcallcallcall defensivedefensivedefensivedefensive foulfoulfoulfoul
TrailTrailTrailTrail reportsreportsreportsreports
TrailTrailTrailTrail remainsremainsremainsremains TrailTrailTrailTrail
LeadLeadLeadLead remainsremainsremainsremains LeadLeadLeadLead
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23. WheneverWheneverWheneverWhenever thisthisthisthis occursoccursoccursoccurs, the, the, the, the twotwotwotwo
officialsofficialsofficialsofficials shouldshouldshouldshould immediatelyimmediatelyimmediatelyimmediately
establishestablishestablishestablish eyeeyeeyeeye contactcontactcontactcontact withwithwithwith eacheacheacheach
otherotherotherother totototo verifyverifyverifyverify the callthe callthe callthe call
CloseCloseCloseClose cooperationcooperationcooperationcooperation betweenbetweenbetweenbetween thethethethe
twotwotwotwo officialsofficialsofficialsofficials isisisis absolutelyabsolutelyabsolutelyabsolutely
essentialessentialessentialessential
TheTheTheThe nearestnearestnearestnearest official or the officialofficial or the officialofficial or the officialofficial or the official
towardstowardstowardstowards whomwhomwhomwhom thethethethe playplayplayplay isisisis
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avoidavoidavoidavoid conflictingconflictingconflictingconflicting decisionsdecisionsdecisionsdecisions
((((unlessunlessunlessunless thethethethe otherotherotherother officialofficialofficialofficial noticednoticednoticednoticed
somesomesomesome otherotherotherother foulfoulfoulfoul or violationor violationor violationor violation priorpriorpriorprior
to the doubleto the doubleto the doubleto the double whistlewhistlewhistlewhistle))))
ThisThisThisThis isisisis aaaa greatgreatgreatgreat opportunityopportunityopportunityopportunity if oneif oneif oneif one
official has made a few calls in aofficial has made a few calls in aofficial has made a few calls in aofficial has made a few calls in a
rowrowrowrow totototo passpasspasspass totototo partnerpartnerpartnerpartner totototo keepkeepkeepkeep
themthemthemthem involvedinvolvedinvolvedinvolved
BothBothBothBoth OfficialsOfficialsOfficialsOfficials CallingCallingCallingCalling aaaa FoulFoulFoulFoulBothBothBothBoth OfficialsOfficialsOfficialsOfficials CallingCallingCallingCalling aaaa FoulFoulFoulFoul

24. T oppositeT oppositeT oppositeT opposite sidesidesideside
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throwsthrowsthrowsthrows
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throwsthrowsthrowsthrows and drops signaland drops signaland drops signaland drops signal
whenwhenwhenwhen ballballballball isisisis releasedreleasedreleasedreleased; on; on; on; on
last freelast freelast freelast free throwthrowthrowthrow,,,, raiseraiseraiseraise armarmarmarm
andandandand bebebebe readyreadyreadyready totototo startstartstartstart
clockclockclockclock ifififif reboundreboundreboundrebound
No visible countNo visible countNo visible countNo visible count
FREE THROWSFREE THROWSFREE THROWSFREE THROWSFREE THROWSFREE THROWSFREE THROWSFREE THROWS
Free
Throws
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Free
Throws
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25. IndicateIndicateIndicateIndicate totototo LeadLeadLeadLead amountamountamountamount ofofofof shotsshotsshotsshots
WatchingWatchingWatchingWatching the shooter and thethe shooter and thethe shooter and thethe shooter and the
playersplayersplayersplayers alongalongalongalong the OPPOSITEthe OPPOSITEthe OPPOSITEthe OPPOSITE sidesidesideside
of theof theof theof the restrictedrestrictedrestrictedrestricted area forarea forarea forarea for
violationsviolationsviolationsviolations
CountingCountingCountingCounting 5 seconds (non5 seconds (non5 seconds (non5 seconds (non visablevisablevisablevisable))))
WatchingWatchingWatchingWatching the flight of thethe flight of thethe flight of thethe flight of the ballballballball
and theand theand theand the ballballballball on the ringon the ringon the ringon the ring
ReadyReadyReadyReady totototo startstartstartstart clockclockclockclock on aon aon aon a missedmissedmissedmissed
last freelast freelast freelast free throwthrowthrowthrow
FREEFREEFREEFREE THROWSTHROWSTHROWSTHROWS
TrailTrailTrailTrail ResponsabilitesResponsabilitesResponsabilitesResponsabilites
FREEFREEFREEFREE THROWSTHROWSTHROWSTHROWS
TrailTrailTrailTrail ResponsabilitesResponsabilitesResponsabilitesResponsabilites

26. EnsureEnsureEnsureEnsure partnerpartnerpartnerpartner isisisis readyreadyreadyready andandandand
indicatingindicatingindicatingindicating thethethethe amountamountamountamount of freeof freeof freeof free
throwsthrowsthrowsthrows totototo bebebebe shotshotshotshot
Annonce howAnnonce howAnnonce howAnnonce how manymanymanymany shotsshotsshotsshots andandandand
bouncebouncebouncebounce ballballballball to shooterto shooterto shooterto shooter
Back up to spotBack up to spotBack up to spotBack up to spot outsideoutsideoutsideoutside thethethethe
restrictedrestrictedrestrictedrestricted area and off thearea and off thearea and off thearea and off the endlineendlineendlineendline
WatchingWatchingWatchingWatching thethethethe playersplayersplayersplayers alongalongalongalong thethethethe
OPPOSITEOPPOSITEOPPOSITEOPPOSITE sidesidesideside of theof theof theof the restrictedrestrictedrestrictedrestricted areaareaareaarea
for violationsfor violationsfor violationsfor violations
LookingLookingLookingLooking forforforfor illegalillegalillegalillegal contact situationscontact situationscontact situationscontact situations
onononon reboundreboundreboundrebound
ReadyReadyReadyReady totototo startstartstartstart clockclockclockclock on a made laston a made laston a made laston a made last
freefreefreefree throwthrowthrowthrow
FREEFREEFREEFREE THROWSTHROWSTHROWSTHROWS
LeadLeadLeadLead ResponsiblitiesResponsiblitiesResponsiblitiesResponsiblities
FREEFREEFREEFREE THROWSTHROWSTHROWSTHROWS
LeadLeadLeadLead ResponsiblitiesResponsiblitiesResponsiblitiesResponsiblities

27. Official notOfficial notOfficial notOfficial not callingcallingcallingcalling foulfoulfoulfoul
administersadministersadministersadministers freefreefreefree throwthrowthrowthrow(s)(s)(s)(s)
CallingCallingCallingCalling officialofficialofficialofficial goesgoesgoesgoes totototo
center linecenter linecenter linecenter line extendedextendedextendedextended,,,,
opposite tableopposite tableopposite tableopposite table
1111 shotshotshotshot for afor afor afor a technicaltechnicaltechnicaltechnical foulfoulfoulfoul
1, 2, or 31, 2, or 31, 2, or 31, 2, or 3 shotsshotsshotsshots forforforfor
unportsmanlikeunportsmanlikeunportsmanlikeunportsmanlike foulfoulfoulfoul
FREE THROWS WITH NO LINEFREE THROWS WITH NO LINEFREE THROWS WITH NO LINEFREE THROWS WITH NO LINE----UPUPUPUPFREE THROWS WITH NO LINEFREE THROWS WITH NO LINEFREE THROWS WITH NO LINEFREE THROWS WITH NO LINE----UPUPUPUP
T
L

28. OfficialOfficialOfficialOfficial closestclosestclosestclosest totototo scorer’sscorer’sscorer’sscorer’s tabletabletabletable
administersadministersadministersadministers timetimetimetime----outoutoutout
BallBallBallBall isisisis leftleftleftleft atatatat throwthrowthrowthrow in spotin spotin spotin spot unlessunlessunlessunless
tablesidetablesidetablesidetableside thenthenthenthen leftleftleftleft 4444----6666 feetfeetfeetfeet in thein thein thein the
court in linecourt in linecourt in linecourt in line withwithwithwith throwthrowthrowthrow in spotin spotin spotin spot
BothBothBothBoth officialsofficialsofficialsofficials thenthenthenthen go to one ofgo to one ofgo to one ofgo to one of
the 3 time out spots (centre linethe 3 time out spots (centre linethe 3 time out spots (centre linethe 3 time out spots (centre line
or freeor freeor freeor free throwthrowthrowthrow linelinelineline extendedextendedextendedextended
WithWithWithWith 20 second20 second20 second20 second leftleftleftleft in timeoutin timeoutin timeoutin timeout
officialofficialofficialofficial proceedproceedproceedproceed to team to breakto team to breakto team to breakto team to break
themthemthemthem outoutoutout atatatat 50 second50 second50 second50 second hornhornhornhorn
AfterAfterAfterAfter 1 minute1 minute1 minute1 minute readyreadyreadyready totototo resumeresumeresumeresume
playplayplayplay
TIME OUTSTIME OUTSTIME OUTSTIME OUTSTIME OUTSTIME OUTSTIME OUTSTIME OUTS
R U
R U R U

29. Number of playerNumber of playerNumber of playerNumber of player
◦ FIBA signals (#’s) up to 15FIBA signals (#’s) up to 15FIBA signals (#’s) up to 15FIBA signals (#’s) up to 15
◦ Other #’s 16+ (one hand for 2Other #’s 16+ (one hand for 2Other #’s 16+ (one hand for 2Other #’s 16+ (one hand for 2----digit #’s / 2 hands for >5)digit #’s / 2 hands for >5)digit #’s / 2 hands for >5)digit #’s / 2 hands for >5)
Visible countsVisible countsVisible countsVisible counts
◦ Closely guarded playerClosely guarded playerClosely guarded playerClosely guarded player
◦ ThrowThrowThrowThrow----in executionin executionin executionin execution
◦ Eight secondsEight secondsEight secondsEight seconds
REMEMBER: the quality of an official’s signals will enhance hisREMEMBER: the quality of an official’s signals will enhance hisREMEMBER: the quality of an official’s signals will enhance hisREMEMBER: the quality of an official’s signals will enhance his
image as an official. It will tell people that he knows his job andimage as an official. It will tell people that he knows his job andimage as an official. It will tell people that he knows his job andimage as an official. It will tell people that he knows his job and
is doing it well.is doing it well.is doing it well.is doing it well.
◦ It will give the official confidence!It will give the official confidence!It will give the official confidence!It will give the official confidence!
OFFICIALS’ SIGNALSOFFICIALS’ SIGNALSOFFICIALS’ SIGNALSOFFICIALS’ SIGNALSOFFICIALS’ SIGNALSOFFICIALS’ SIGNALSOFFICIALS’ SIGNALSOFFICIALS’ SIGNALS