Five-minute guide

Ice hockey rules in five minutes

Rules baseline: IIHF Official Rule Book 2026/27. NHL, NCAA, USA Hockey, and other competitions use distinct rink, roster, overtime, icing, fighting, review, and penalty procedures.

  1. Objective: score more goals by legally sending the puck completely across the opponent's goal line while defending your own goal.
  2. Players, rink, and equipment: teams normally skate with five players and one goaltender on the ice; the rink, goals, puck, sticks, skates, helmets, and protective equipment must meet IIHF standards.
  3. How play begins: a face-off at centre ice starts each period and follows every goal; other stoppages restart at the face-off spot prescribed for the cause and location.
  4. Possession and changes: teams control the puck through skating, passing, shooting, checking, and legal stick play, with substitutions generally permitted while play continues.
  5. Scoring: each valid goal counts once; kicking, high-stick contact, goaltender interference, offside, or an earlier whistle can prevent a goal.
  6. Length and winner: an IIHF game has three 20-minute stopped-time periods; competition regulations set overtime and shootout procedures if the score is tied.
  7. Main violations and penalties: offside and icing stop play, while tripping, hooking, slashing, interference, dangerous checks, misconduct, and fighting can reduce a team on the ice or remove a player.
  8. Restarts and penalties: face-offs restart play; minor, major, misconduct, game misconduct, and match sanctions determine player removal, penalty time, and whether a power play ends after a goal.
  9. Competition differences: NHL and IIHF rules differ on rink dimensions, icing details, trapezoid use, fighting, penalty shots, overtime, challenges, and review, with youth and college rules differing again.
  10. Go deeper: read offside, icing, penalties, goal rulings, and the hockey topics below.
Rules library

Browse Hockey rules by topic

33 plain-English explainers, grouped by the kind of decision you need to settle.

Essentials and setup

Players, playing areas, equipment, positions, and the basic structure of the sport.

Ice Hockey Equipment Rules: Sticks, Helmets, and Skates

IIHF 2026/27 ice hockey equipment rules: legal sticks, broken-stick replacements, lost helmets, face and neck protection, skates, measurements and penalties.

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Ice Hockey Rink Dimensions, Lines, and Zones Explained

Understand ice hockey rink dimensions, blue lines, goal lines, zones, face-off circles and the goalie trapezoid, with IIHF rules and an NHL comparison.

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Ice Hockey Team Size, Positions, and Player Roles

Understand ice hockey team size, game rosters, centres, wings, defenders, goalkeepers and captaincy, with the IIHF 2026/27 rules clearly identified.

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Scoring and match formats

How points, goals, results, tied contests, and competition formats are decided.

NHL Overtime and Shootout Rules

NHL 2025-26 overtime and shootout rules: five-minute 3-on-3, three-round shootouts, penalty manpower, standings points, and playoff overtime.

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Fouls, penalties, and conduct

Illegal contact, violations, cards, discipline, and how sanctions are applied.

Hockey Fighting, Misconduct, and Game Misconduct Penalties

NHL fighting, misconduct, and game misconduct penalties explained, with manpower examples and current IIHF and USA Hockey differences.

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IIHF Hockey Penalty Shot Rules Explained

IIHF 2026/27 ice hockey penalty shots: the four breakaway tests, other triggers, shooter selection, attempt procedure, retakes and awarded goals.

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Ice Hockey Face-Off Rules and Violations

IIHF 2026/27 ice hockey face-off rules: where the draw goes, how players must set, centre replacement, the icing exception, and second-violation penalties.

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Ice Hockey Holding and Holding the Stick Rules

Understand IIHF holding and holding the stick: two-minute penalties, legal arm blocks, protective contact, referee signals and breakaway exceptions.

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Ice Hockey Interference Away from the Puck Explained

Understand IIHF off-puck interference: legal body position, picks, late hits, loose-puck races, practical examples and minor or major penalties.

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Ice Hockey Power Plays and Penalty Kills

IIHF 2026/27 ice hockey power-play rules: when minor penalties end, 5-on-3s, double minors, delayed calls, major penalties, icing and key NHL and USA Hockey differences.

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NHL Goalie Interference and Crease Goals

NHL 2025-26 goalie interference explained: crease contact, screens, defender-forced collisions, loose pucks, penalties and coach's challenges.

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Timing, restarts, and reviews

Clocks, substitutions, restarts, replay systems, reviews, and official procedure.

IIHF Video Review and Coach's Challenge Rules

IIHF 2026/27 video review and coach's challenge rules: reviewable goals, the four challenge grounds, deadlines, failed-challenge penalties and NHL differences.

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Ice Hockey Game Length, Periods, and Clock Stoppage Rules

How long is an ice hockey game? Understand three 20-minute periods, stopped clocks, intermissions, penalty timing and late goals under IIHF 2026/27 rules.

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Ice Hockey Officials, Referee Signals, and Linesperson Duties

Understand ice hockey referees, linesperson duties, common signals and penalty-reporting exceptions under the IIHF 2026/27 rules.

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Ice Hockey Substitutions and Too Many Players

IIHF 2026/27 substitution rules explained: the 1.50-metre change area, active overlap, goalkeeper changes, bench minors and penalty-shot cases.

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Ice Hockey Timeout Rules Explained

Understand ice hockey timeouts under IIHF 2026/27: the 30-second allowance, request deadline, icing restrictions, overtime and TV breaks.

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Play and decisions

The live-play rulings, sequences, and judgment calls that decide what happens next.

Body Checking in Ice Hockey

When an ice hockey body check is legal under IIHF 2026/27: puck possession, timing, angle, point of contact, boarding, head contact and women's hockey.

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IIHF Slashing, Hooking and Tripping

IIHF 2026/27 slashing, hooking and tripping rules: the legal-play boundary, penalty levels, delayed calls and penalty-shot tests.

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Ice Hockey Boarding, Charging and Checking from Behind

IIHF 2026/27 boarding, charging and checking-from-behind rules: triggers, penalty levels, turning, review, and NHL and USA Hockey differences.

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Ice Hockey Cross-Checking Penalties Explained

Understand cross-checking under IIHF 2026/27 rules: stick contact, two-minute minors, majors and ejections, crease battles, injury and referee decisions.

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Ice Hockey Delayed Off-Side and Intentional Off-Side Rules

IIHF 2026/27 delayed and intentional off-side: how attackers clear the zone, what stops play, goal and face-off rulings, and the USA Hockey age-level variation.

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Ice Hockey Empty-Net and Pulled-Goalkeeper Rules

IIHF 2026/27 empty-net rules: legal extra attackers, goalie-change timing, delayed penalties, icing, awarded goals and an NHL overtime difference.

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Ice Hockey Goaltender Puck-Handling Rules

IIHF 2026/27 goalkeeper puck-handling rules: the trapezoid, centre red line, freezing the puck, puck over glass, icing and penalties.

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Ice Hockey High-Sticking Penalties and Accidental Stick Contact

IIHF 2026/27 high-sticking explained: accidental contact, shooting and face-off exceptions, injury penalties, the waist-height test and video review.

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Ice Hockey Injured Player and Injury Stoppage Rules

Understand IIHF 2026/27 injury whistles, serious-injury exceptions, player and goalkeeper replacements, blood rules and injury face-off locations.

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Ice Hockey Match Penalties and Suspensions

IIHF 2026/27 and NHL 2025/26 match-penalty rules: ejection, five-minute manpower effects, video review, reports and later suspensions.

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Icing and Hybrid Icing under IIHF Rules

IIHF 2026/27 icing explained: the center-line test, hybrid race judgment, washouts, goalkeeper action, shorthanded exception and face-off result.

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NHL Coincidental Penalties and 4-on-4 Rules

Under NHL 2025-26 Rule 19, one minor to each team can create 4-on-4; other matching penalties may be substituted. Includes the IIHF 2026/27 difference.

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NHL Hand Pass and High-Sticking the Puck Rules

NHL 2025-26 hand-pass and high-sticked-puck rules: possession tests, defending-zone exception, shoulder and crossbar heights, faceoffs and review.

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NHL Kicked Puck Goals and Skate Deflections

NHL 2025-26 kicked-puck goals explained: distinct kicking motion, legal skate redirections, deflections, video review and the face-off after no goal.

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NHL Offside and Tag-Up Explained

NHL offside and tag-up under the 2025-26 rulebook: blue-line timing, delayed offside, clearing the zone, exceptions, face-offs and goal review.

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NHL Penalties and Delayed Calls Explained

NHL 2025-26 penalty rules explained: when a delayed call ends, what a goal cancels, penalty classes, coincidental penalties, reviews, and edge cases.

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Puck Out of Play and Delay of Game: IIHF 2026/27

IIHF 2026/27 puck-out and delay-of-game rules: the puck-over-glass test, deflections, bench and face-off exceptions, restarts, and challenges.

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Core structure

What hockey rules are really organizing

  • Territory and entry: blue lines and the red line control when a team is onside, when a puck can be legally sent deep, and when play has to be brought back.
  • Possession under pressure: the rules let players battle for the puck, but limit sticks, hands, holds, and body contact that create unfair advantage or danger.
  • Stoppages and restarts: face-off locations, delayed whistles, and puck-out-of-play decisions matter because hockey resets play constantly.
  • Scoring protection: goal-crease questions, goalkeeper contact, kicked or high-sticked pucks, and video review rules decide whether a goal counts.
Decision path

How officials usually work through a play

  • Start with puck status and zone status: was play onside, delayed offside, potentially iced, or already dead?
  • Identify the first relevant event, such as the puck crossing a line, a player touching up, illegal contact, or the goalkeeper being impaired.
  • Judge whether advantage or danger changed the play enough to require a whistle, a penalty, or a goal decision.
  • If a penalty is signaled, officials then separate the foul itself from the penalty level, because the same basic act can carry a minor, major, misconduct, or match consequence depending on force and result.
  • If review is available in that competition, it usually checks specific factual questions rather than reopening every judgment call from scratch.
Where it applies

Rules that are broad across ice hockey

  • Teams attack one goal and defend the other: most line-based rules exist to stop attackers from camping too early or flipping the puck away from pressure without cost.
  • Penalties change manpower: many common fouls lead to a player serving time and one team skating short-handed, though exact exceptions vary by code.
  • The puck can stay live through a lot of contact: hockey allows robust contesting, so the question is rarely whether contact happened at all, but whether it was legal and safe.
  • Face-offs restore structure: after most stoppages, the next location is part of the ruling, not an afterthought.
Where it varies

Important differences between competitions

  • Icing details differ: touch icing, hybrid icing, and exceptions involving short-handed teams or goalkeeper movement are not identical everywhere.
  • Crease and goalkeeper-interference rules differ: the broad idea is consistent, but the exact test for taking away the goalkeeper's ability to play the position can change by league.
  • Penalty categories and automatic add-ons differ: fighting, checking standards, head contact, and game misconduct triggers are competition-specific in key places.
  • Video review and coach challenge rules differ: some competitions can review offside or goalkeeper interference extensively, while others have far narrower review windows.
Common misunderstandings

Where fans most often get the call wrong

  • "The puck crossed first, so it has to be offside" skips the real test. The ruling usually turns on when the attacking players entered and whether they cleared or tagged up in time.
  • "Any dump-in is icing" is too simple. Officials still have to judge line crossing, applicable exceptions, and in some codes which player would win the race.
  • "He touched the goalie, so the goal can't count" is also too simple. Contact matters because of effect, timing, and responsibility, not just because bodies met in the crease area.
  • "That hit was hard, so it must be illegal" ignores the real standard. Hockey separates legal body play from charging, boarding, checking from behind, head contact, and other specific fouls.
Practical interpretation

How hockey is actually enforced

  • Officials work in sequence. Onside status, puck possession, and first contact often decide the ruling before the crowd reacts to the collision or the shot.
  • Player safety has a major effect on modern enforcement, especially for checks near the boards, checks from behind, head contact, and stick fouls with force.
  • Delayed calls are part of the sport's rhythm, so a whistle does not always come when the foul occurs. The referee may wait for the offending team to gain control or for a scoring sequence to finish.
  • At higher levels, replay helps with goals and some reviewable entries or stoppages, but officials still make many key decisions live at full speed.
Scope note

What this page is and is not covering

  • This page is about ice hockey, not field hockey, roller hockey, or floorball, which have different playing structures and different rule authorities.
  • It explains evergreen rule logic that stays recognisable across major ice hockey codes instead of pretending every competition uses identical language.
  • When a point turns on review protocol, short-handed icing exceptions, overtime format, or discipline escalators, the active competition rulebook is the one that controls.
  • That is especially true for youth body-checking rules, NCAA-specific officiating procedures, and professional video-review standards.
Official references

Where these rules come from