Polo taken. The official set of rules and rules interpretations are reviewed and published annually by each country's polo association. Most of the smaller associations follow the rules of the Hurlingham Polo Association, the national governing body of the sport of polo in the United Kingdom, and the United States Polo Association. Outdoor or field polo consists of four to eight 7-minute chukkas, between or during which players change mounts. At the end of each 7 minute chukka, play continues for an additional 30 seconds or until a stoppage in play, whichever comes first. There is a four-minute interval between chukkas
Power play (sporting term) otherwise treated the same as a major penalty. If a team is still on a power play at the end of a regulation period, or at the end of a playoff overtime period, the power play will continue into the following period. "Misconduct" penalties (10 minutes in duration), and "game misconduct" penalties (offending player is ejected for the balance of the game) allow for substitution of the offending player, so do not result in power plays. However in practice, misconduct and game misconduct penalties are often assessed in addition to a major or minor penalty. A goal scored by the