Rules of Polo
EN

Rule 13 · USPA Rulebook 2026

Balls and officials' equipment

The size and weight of the ball, and the kit each official must have.

  1. 13a

    Ball

    Balls shall be within the limits of 3 to 3½ inches in diameter and 3½ to 4½ ounces in weight.

    The ball: 3 to 3½ inches across, 3½ to 4½ ounces; a mallet head beside it for scale
    1. Ball: 3–3½ in across, 3½–4½ oz
    2. Mallet head, for scale

  2. 13b

    Umpires

    Each Umpire shall have a mount, whistle, pick up stick, ball bag and proper uniform.

  3. 13c

    Referee

    The Referee shall have a current copy of these Rules.

  4. 13d

    Timekeeper

    The Timekeeper shall have a time clock, horn and/or bell.

  5. 13e

    Scorer

    The Scorer shall have a scoreboard and official score sheet.

  6. 13f

    Goal judges

    The Goal Judges shall have flags.