Out of bounds ball, under penalty of one stroke, as nearly as possible at the spot from which the original ball was last played. Reference: "Rules of Golf 2012-2015, Rule 27-1 b. Ball Out of Bounds", published by the R&A - and approved by the United States Golf Association (USGA). A golf ball is "out of bounds" when all of it lies "out of bounds". A player may stand out of bounds to play a ball lying within bounds. Reference: "Rules of Golf 2012-2015, Section II Definitions". In skiing, an out of bounds area is considered one that is outside of the area
Nine-ball to sweep the sport of nine-ball in the mid-1980s, restricted the push-out option to once per game and only to the inning immediately following the break. This change profoundly affected the way the game was played. By about 1990 this new push-out rule had become ubiquitous and it and any additional rules appended to it were collectively referred to as "" rules, so called because of the supposed US state of origin and the speeding up of the game. Today, Texas express push-out rules dominate the way nine-ball is played and is the variant incorporated into the official rules maintained