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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

  1. Each team may designate up to two specialist defensive players, the Liberos.

    Source: FIVB OVR 2025-2028, Rule 19.1.1 · recall

  2. With more than twelve players recorded at FIVB senior level, two Liberos are mandatory.

    Source: FIVB OVR 2025-2028, Rule 19.1.1 · recall

  3. Only one Libero may be on court at a time.

    Source: FIVB OVR 2025-2028, Rule 19.1.3 · recall

  4. The Libero on court is the Acting Libero; the other is the second Libero.

    Source: FIVB OVR 2025-2028, Rule 19.1.3 · recall

  5. 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

  6. 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

  7. All Liberos are recorded on the score sheet's special Libero lines.

    Source: FIVB OVR 2025-2028, Rule 19.1.2 · recall

  8. 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

  9. 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

  10. 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

  1. The Libero may replace any player in a back-row position.

    Source: FIVB OVR 2025-2028, Rule 19.3.1.1 · recall

  2. The ban applies everywhere, playing court and free zone alike.

    Source: FIVB OVR 2025-2028, Rule 19.3.1.2 · recall

  3. The Libero may not serve, block or attempt to block.

    Source: FIVB OVR 2025-2028, Rule 19.3.1.3 · recall

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  1. Libero replacements are not substitutions and there is no limit on them.

    Source: FIVB OVR 2025-2028, Rule 19.3.2.1 · recall

  2. There must be a completed rally between two Libero replacements, with listed exceptions.

    Source: FIVB OVR 2025-2028, Rule 19.3.2.1 · recall

  3. 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

  4. 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

  5. They may only enter or leave through the Libero Replacement Zone.

    Source: FIVB OVR 2025-2028, Rule 19.3.2.7 · recall

  6. 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

  7. Subsequent late replacements interrupt play immediately and bring a delay sanction.

    Source: FIVB OVR 2025-2028, Rule 19.3.2.6 · applied

  8. 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

  9. 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

  10. 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

  1. 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

  2. The regular replacement player may replace and be replaced by either Libero.

    Source: FIVB OVR 2025-2028, Rule 19.3.2.2 · recall

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  1. Injury, illness, expulsion or disqualification makes a Libero unable to play.

    Source: FIVB OVR 2025-2028, Rule 19.4.1 · recall

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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