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
Rules of water polo polo allows for one timeout during each period of play per team, including shootouts. The duration of the timeout is one minute. NCAA and NFHS: NCAA and NFHS allows for three timeouts during regulation. If the game goes into overtime, each team is allowed one timeout for the duration of overtime. The penalty for calling a timeout during play without possession of the ball is the loss of the longest timeout with a penalty foul going against the team. Water Polo referees utilize red and yellow cards when handling bench conduct. A verbal warning may be issued depending on the