Volleyball · Official Volleyball Rules
Law 19: The Libero Player
4 parts · 5 tests · 50 facts · updated 25 October 2026 · markdown
Designating up to two Liberos and their uniform, what a Libero may and may not do, Libero replacements and illegal ones, and re-designating a new Libero when one can no longer play.
19.191Designation and Equipment
How many Liberos a team may and must list, the Acting Libero, and the contrasting uniform.
Test 1Designation and equipmentTake a test
Each team may designate up to two specialist defensive players, the Liberos.
Source: FIVB OVR 2025-2028, Rule 19.1.1 · recall
With more than twelve players recorded at FIVB senior level, two Liberos are mandatory.
Source: FIVB OVR 2025-2028, Rule 19.1.1 · recall
Only one Libero may be on court at a time.
Source: FIVB OVR 2025-2028, Rule 19.1.3 · recall
The Libero on court is the Acting Libero; the other is the second Libero.
Source: FIVB OVR 2025-2028, Rule 19.1.3 · recall
The Libero wears a uniform whose dominant colour differs from any colour of the rest of the team.
Source: FIVB OVR 2025-2028, Rule 19.2 · recall
Both Liberos may be in uniforms different from each other and from the rest of the team.
Source: FIVB OVR 2025-2028, Rule 19.2 · recall
All Liberos are recorded on the score sheet's special Libero lines.
Source: FIVB OVR 2025-2028, Rule 19.1.2 · recall
C contrasts clearly and carries a number; A and B share the team's dominant grey, and D has no number.
Source: FIVB OVR 2025-2028, Rule 19.2 · applied
The Liberos are recorded before the signatures, and the one who takes the court is the Acting Libero.
Source: FIVB OVR 2025-2028, Rule 19.1.2, 19.1.3, 4.1.3 · recall
One Libero on court, up to two designated, six players in play, up to fourteen on an FIVB senior sheet.
Source: FIVB OVR 2025-2028, Rule 19.1, 7.3.1, 4.1.1 · recall
19.192What the Libero May Do
Back-row replacement, the ban on high attacks, serving and blocking, and the overhand set in the front zone.
Test 1What the Libero may and may not doTake a test
The Libero may replace any player in a back-row position.
Source: FIVB OVR 2025-2028, Rule 19.3.1.1 · recall
The ban applies everywhere, playing court and free zone alike.
Source: FIVB OVR 2025-2028, Rule 19.3.1.2 · recall
The Libero may not serve, block or attempt to block.
Source: FIVB OVR 2025-2028, Rule 19.3.1.3 · recall
The restriction applies only to the Libero's overhand finger pass from inside his front zone.
Source: FIVB OVR 2025-2028, Rule 19.3.1.4 · applied
A block attempt needs a reach above the top of the net, which the Libero never made.
Source: FIVB OVR 2025-2028, Rule 14.1.1, 14.6.6; Casebook 2024 5.21 · applied
The fault is for a classic, intentional finger set; protecting the face is not one.
Source: FIVB OVR 2025-2028, Rule 13.3.6, 19.3.1.4; Casebook 2024 5.26 · applied
The Libero is not allowed to take part in any substitution.
Source: FIVB OVR 2025-2028, Rule 15.5.1, 15.7; Casebook 2024 5.3 · recall
Digging in the back zone is the Libero's job; serving, blocking and spiking a ball above the net are forbidden.
Source: FIVB OVR 2025-2028, Rule 19.3.1 · applied
Rotation is clockwise, so a back-row player goes from 1 to 6 to 5 before reaching the front row.
Source: FIVB OVR 2025-2028, Rule 7.6.2, 19.3.1.1 · recall
A penalty rotation that would put the Libero in the front row is a listed exception.
Source: FIVB OVR 2025-2028, Rule 19.3.2.1 · applied
19.193Libero Replacements
When and how replacements are made, who may replace the Libero, late and illegal replacements.
Test 1Libero replacements: when and howTake a test
Libero replacements are not substitutions and there is no limit on them.
Source: FIVB OVR 2025-2028, Rule 19.3.2.1 · recall
There must be a completed rally between two Libero replacements, with listed exceptions.
Source: FIVB OVR 2025-2028, Rule 19.3.2.1 · recall
The Libero cannot enter until the 2nd referee has checked the line-up and authorised the replacement.
Source: FIVB OVR 2025-2028, Rule 19.3.2.3 · recall
Replacements take place while the ball is out of play and before the whistle for service.
Source: FIVB OVR 2025-2028, Rule 19.3.2.4 · recall
They may only enter or leave through the Libero Replacement Zone.
Source: FIVB OVR 2025-2028, Rule 19.3.2.7 · recall
It is not rejected, but at the end of the rally the game captain is told repetition will bring delay sanctions.
Source: FIVB OVR 2025-2028, Rule 19.3.2.5 · applied
Subsequent late replacements interrupt play immediately and bring a delay sanction.
Source: FIVB OVR 2025-2028, Rule 19.3.2.6 · applied
Replaying the stopped rally does not complete it, so the Libero has to wait for one that ends in a point.
Source: FIVB OVR 2025-2028, Rule 6.1.3, 19.3.2.1, 17.2 · applied
Replacements happen out of play and before the whistle, through their own zone, and are recorded.
Source: FIVB OVR 2025-2028, Rule 19.3.2.4, 19.3.2.7, 19.3.2.8 · recall
Before the whistle is normal; a first late one is tolerated with a word; a repeat brings a delay sanction.
Source: FIVB OVR 2025-2028, Rule 19.3.2.4, 19.3.2.5, 19.3.2.6 · applied
Test 2Who may replace the Libero, and illegal replacementsTake a test
The Acting Libero can only be replaced by the regular replacement player for that position or by the second Libero.
Source: FIVB OVR 2025-2028, Rule 19.3.2.2 · recall
The regular replacement player may replace and be replaced by either Libero.
Source: FIVB OVR 2025-2028, Rule 19.3.2.2 · recall
Replacing without a completed rally in between is listed as an illegal Libero replacement.
Source: FIVB OVR 2025-2028, Rule 19.3.2.9 · recall
Noticed before the next rally, the referees correct it and sanction the team for delay.
Source: FIVB OVR 2025-2028, Rule 19.3.2.9 · applied
After the service hit, the consequences are those of an illegal substitution.
Source: FIVB OVR 2025-2028, Rule 19.3.2.9, 15.9.2 · applied
A late service is a completed rally because it gives a point, so the Libero may re-enter.
Source: FIVB OVR 2025-2028, Rule 6.1.3, 19.3.2.1; Casebook 2024 5.22 · applied
A Libero may never take part in a substitution; caught before play resumes, the request is denied and sanctioned for delay.
Source: FIVB OVR 2025-2028, Rule 15.5.1, 16.1.3, 19.2; Casebook 2024 5.24 · applied
No. 6 is the player the Libero came on for and No. 2 is the other Libero; Nos. 9 and 14 do not qualify.
Source: FIVB OVR 2025-2028, Rule 19.3.2.2 · applied
It is treated as an illegal substitution: penalty, correction, then cancellation of points.
Source: FIVB OVR 2025-2028, Rule 19.3.2.9, 15.9.2 · applied
A normal exchange is fine, a first late one is tolerated with a word, and the wrong player makes it illegal.
Source: FIVB OVR 2025-2028, Rule 19.3.2 · applied
19.194Re-designating a Libero
When a Libero is unable to play, who may be re-designated, and the cases of one or two Liberos.
Test 1Re-designating a LiberoTake a test
Injury, illness, expulsion or disqualification makes a Libero unable to play.
Source: FIVB OVR 2025-2028, Rule 19.4.1 · recall
The coach, or without a coach the assistant coach or game captain, may make that declaration.
Source: FIVB OVR 2025-2028, Rule 19.4.1 · recall
Any player not on court at that moment may be re-designated, except the regular replacement player.
Source: FIVB OVR 2025-2028, Rule 19.4.2.1 · recall
A Libero who is the subject of a re-designation may not play for the remainder of the match.
Source: FIVB OVR 2025-2028, Rule 19.4.2.2 · recall
If the coach requests the team captain to be re-designated, it is permitted.
Source: FIVB OVR 2025-2028, Rule 19.4.2.5 · recall
The team plays with one Libero; re-designation is allowed only if the remaining Libero cannot continue.
Source: FIVB OVR 2025-2028, Rule 19.4.3.1 · applied
Should a re-designated Libero become unable to play, more re-designations are permitted.
Source: FIVB OVR 2025-2028, Rule 19.4.2.4 · recall
Only players off court qualify, and No. 11, the regular replacement player, is excluded.
Source: FIVB OVR 2025-2028, Rule 19.4.2.1 · applied
The coach informs the 2nd referee, and the new number is recorded in the remarks and on the Libero control sheet.
Source: FIVB OVR 2025-2028, Rule 19.4.2.3, 19.4.2.6 · recall
One Libero on court, two on the list, three players in each back row.
Source: FIVB OVR 2025-2028, Rule 19.1, 7.4.1.2 · recall
Sources
FIVB Official Volleyball Rules 2025-2028, Rule 19 (paraphrased in original wording; original questions authored from the Rules, not reproduced)
- FIVB OVR 2025-2028, Rule 19.23
- FIVB OVR 2025-2028, Rule 19.3.2.13
- FIVB OVR 2025-2028, Rule 19.3.2.23
- FIVB OVR 2025-2028, Rule 19.1.12
- FIVB OVR 2025-2028, Rule 19.1.32
- FIVB OVR 2025-2028, Rule 19.3.2.92
- FIVB OVR 2025-2028, Rule 19.3.2.9, 15.9.22
- FIVB OVR 2025-2028, Rule 19.4.12
- FIVB OVR 2025-2028, Rule 19.4.2.12
- FIVB OVR 2025-2028, Rule 19.1.21
- FIVB OVR 2025-2028, Rule 19.1.2, 19.1.3, 4.1.31
- FIVB OVR 2025-2028, Rule 19.1, 7.3.1, 4.1.11
- FIVB OVR 2025-2028, Rule 19.3.1.11
- FIVB OVR 2025-2028, Rule 19.3.1.21
- FIVB OVR 2025-2028, Rule 19.3.1.31
- FIVB OVR 2025-2028, Rule 19.3.1.41
- FIVB OVR 2025-2028, Rule 14.1.1, 14.6.6; Casebook 2024 5.211
- FIVB OVR 2025-2028, Rule 13.3.6, 19.3.1.4; Casebook 2024 5.261
- FIVB OVR 2025-2028, Rule 15.5.1, 15.7; Casebook 2024 5.31
- FIVB OVR 2025-2028, Rule 19.3.11
- FIVB OVR 2025-2028, Rule 7.6.2, 19.3.1.11
- FIVB OVR 2025-2028, Rule 19.3.2.31
- FIVB OVR 2025-2028, Rule 19.3.2.41
- FIVB OVR 2025-2028, Rule 19.3.2.71
- FIVB OVR 2025-2028, Rule 19.3.2.51
- FIVB OVR 2025-2028, Rule 19.3.2.61
- FIVB OVR 2025-2028, Rule 6.1.3, 19.3.2.1, 17.21
- FIVB OVR 2025-2028, Rule 19.3.2.4, 19.3.2.7, 19.3.2.81
- FIVB OVR 2025-2028, Rule 19.3.2.4, 19.3.2.5, 19.3.2.61
- FIVB OVR 2025-2028, Rule 6.1.3, 19.3.2.1; Casebook 2024 5.221
- FIVB OVR 2025-2028, Rule 15.5.1, 16.1.3, 19.2; Casebook 2024 5.241
- FIVB OVR 2025-2028, Rule 19.3.21
- FIVB OVR 2025-2028, Rule 19.4.2.21
- FIVB OVR 2025-2028, Rule 19.4.2.51
- FIVB OVR 2025-2028, Rule 19.4.3.11
- FIVB OVR 2025-2028, Rule 19.4.2.41
- FIVB OVR 2025-2028, Rule 19.4.2.3, 19.4.2.61
- FIVB OVR 2025-2028, Rule 19.1, 7.4.1.21