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Since its founding in 1920, the Green Section has led the USGA’s efforts to improve golf course playing conditions and sustainability through research, education, course consulting, technology tools and championship agronomy. The USGA’s investment in Green Section programs is estimated to save U.S. golf courses more than $1.9 billion each year as a result of reduced inputs and improved management practices.
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Since its founding in 1920, the Green Section has led the USGA’s efforts to improve golf course playing conditions and sustainability through research, education, course consulting, technology tools and championship agronomy. The USGA’s investment in Green Section programs is estimated to save U.S. golf courses more than $1.9 billion each year as a result of reduced inputs and improved management practices.
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The USGA promotes and conserves the true spirit of the game of golf as embodied in its ancient and honorable traditions. It acts in the best interests of the game for the continued enjoyment of those who love and play it.
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Once you determine that the ball has moved, you then need to determine what caused it to move. The cause of the movement will determine whether or not you need to replace the ball or play the ball as it lies from its new position. There are only four possible causes in the Rules that could move the ball:
When figuring out which of these four caused the ball to move, you again apply the known or virtually certain standard. In this case, there is a default – if it is not known or virtually certain that you, your opponent or an outside influence caused the ball to move, then the Rules default to natural forces and treat the situation as if natural forces caused the ball to move.
There are also two instances where you will replace your ball regardless of what causes it to move: