HPA
The Hurlingham Polo Association, the governing body for polo in the UK and Ireland.
Blue Book 2026, Part 2, Rule 2.5
The HPA is an affiliation of clubs rather than a club with members of its own, which is why you join a club and the HPA separately. What a club takes on by affiliating - the responsibilities of a club - is set out on its own, in Annex F of the Blue Book, rather than in the playing rules.
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Every rule here is stated in our own words, with short quoted extracts from the HPA Blue Book 2026 and Green Book 2025 and a link to the book itself. Polo Rules Test is an independent study aid and is not affiliated with the Hurlingham Polo Association. In any dispute the published rulebook governs.