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Baseball · Official Rules of Baseball

Law 5: Pre-Game Procedures

2 parts · 2 tests · 20 facts · updated 27 October 2026 · markdown

Who delays or calls a game for the weather, the pre-game practice and bullpens, the rundown for each World Cup, the meeting at home plate and the line-up cards, ground rules, and security on the field.

5.51Field Condition and Practice

Delays for weather and lightning, the 30-minute wait, screens, bullpens and the pre-game practice times.

Test 1Weather, practice and the bullpensTake a test

  1. The home team decides on a delay before the game; in a tournament the Technical Commissioners do.

    Source: WBSC ORB 2025-2026, Rule 5.1 · recall

  2. In tournament games the Technical Commissioners decide on suspending or cancelling, consulting the crew chief.

    Source: WBSC ORB 2025-2026, Rule 5.1 · recall

  3. In case of lightning the Technical Commissioners and crew chief consult the lightning guidelines of the LOC or league.

    Source: WBSC ORB 2025-2026, Rule 5.1 · applied

  4. A pitching screen must be provided by the LOC or the home team; a batting cage is only recommended.

    Source: WBSC ORB 2025-2026, Rule 5.2.2 · recall

  5. The rule recommends a first-base screen 8 feet high and 6 feet wide during batting practice.

    Source: WBSC ORB 2025-2026, Rule 5.2.4 · recall

  6. Each bullpen needs at least two mounds with regulation rubbers and home plates, in good condition.

    Source: WBSC ORB 2025-2026, Rule 5.2.5 · recall

  7. U-15: 30 minutes of batting practice for each team, then 10 minutes of infield each.

    Source: WBSC ORB 2025-2026, Rule 5.2.6.2 · recall

  8. Home before visitors, and batting practice before infield.

    Source: WBSC ORB 2025-2026, Rule 5.2.6.3 · recall

  9. The older the age group, the longer the practice: twenty, thirty, forty, then a combined fifty at the Premier12.

    Source: WBSC ORB 2025-2026, Rule 5.2.6 · recall

  10. Umpires may not call a game until at least 30 minutes after they suspended play; in a tournament the Commissioners decide.

    Source: WBSC ORB 2025-2026, Rule 5.1 · applied

5.52Line-ups, Ground Rules and Security

The home-plate meeting, the line-up cards in triplicate, ground rules, crowd control and a field invasion.

Test 1The meeting at home plate, ground rules and securityTake a test

  1. The plate umpire holds the meeting with both teams' representatives ten minutes before the scheduled start.

    Source: WBSC ORB 2025-2026, Rule 5.3.1 · recall

  2. He checks the copies match, keeps one, gives one to the opposing manager and one to the Technical Commissioners.

    Source: WBSC ORB 2025-2026, Rule 5.3.2 · recall

  3. Once the plate umpire has the identical copies, he is officially in charge of the game and the line-ups are official.

    Source: WBSC ORB 2025-2026, Rule 5.3.2 · recall

  4. The card lists each starter's name, uniform number and position, plus the pitcher and any designated hitter.

    Source: WBSC ORB 2025-2026, Rule 5.5.3 · recall

  5. Other potential substitutes should be listed, but failing to list a player does not make him ineligible.

    Source: WBSC ORB 2025-2026, Rule 5.5.3 · applied

  6. A ground rule needs the visiting team's agreement; where the teams do not agree, the umpires set it.

    Source: WBSC ORB 2025-2026, Rule 5.4 · applied

  7. Crowd control rests with the home team or the LOC, which must provide enough police protection to keep order.

    Source: WBSC ORB 2025-2026, Rule 5.6 · recall

  8. The home manager's batting order comes first, then the visitor's; then the plate umpire covers the ground rules and questions.

    Source: WBSC ORB 2025-2026, Rule 5.5.1, 5.5.2, 5.3.3 · recall

  9. Staff leave sixty minutes before, the meeting is ten minutes before, the cards become official there, then play starts.

    Source: WBSC ORB 2025-2026, Rule 4.1, 5.3, 5.5 · recall

  10. If the field is not cleared in a reasonable time, approximately 15 minutes after the refusal, the crew chief may forfeit the game.

    Source: WBSC ORB 2025-2026, Rule 5.6 · applied

Sources

WBSC Official Rules of Baseball 2025-2026, Rule 5 (paraphrased in original wording; original questions authored from the Rules, not reproduced)

  • WBSC ORB 2025-2026, Rule 5.14
  • WBSC ORB 2025-2026, Rule 5.3.22
  • WBSC ORB 2025-2026, Rule 5.5.32
  • WBSC ORB 2025-2026, Rule 5.62
  • WBSC ORB 2025-2026, Rule 5.2.21
  • WBSC ORB 2025-2026, Rule 5.2.41
  • WBSC ORB 2025-2026, Rule 5.2.51
  • WBSC ORB 2025-2026, Rule 5.2.6.21
  • WBSC ORB 2025-2026, Rule 5.2.6.31
  • WBSC ORB 2025-2026, Rule 5.2.61
  • WBSC ORB 2025-2026, Rule 5.3.11
  • WBSC ORB 2025-2026, Rule 5.41
  • WBSC ORB 2025-2026, Rule 5.5.1, 5.5.2, 5.3.31
  • WBSC ORB 2025-2026, Rule 4.1, 5.3, 5.51