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For umpires, scorers, and match officials. Plain-English cricket laws with citations.

Umpire Knowledge Base

Authoritative summaries of common cricket laws and edge cases. Always verify local playing conditions for your competition.

LBW rule explained

Law 36 | When the ball would hit the stumps and batter is struck in line.

No-ball rule

Law 21 | Front-foot, height, dangerous deliveries, and free hits (per playing conditions).

Wide ball rule

Law 22 | Judging width by batter’s stance; format differences.

Substitute fielder rule

Law 24 & 25 | What subs can and cannot do.

Powerplay fielding restrictions

Format-specific ring and deep field limits.

Wicketkeeper standing up

Law 27.4 | Positioning, movement, and obstruction.

Dead ball rule

Law 20 | When the ball becomes dead; safety and interference cases.

Obstructing the field

Law 37 | Intent, communication, and running lines.

Run out vs stumped

Law 38 & 39 | Decision logic when keeper breaks the wicket.

Short run rule

Law 18.3 | When runs do not count; deliberate short runs.

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