July 15 - 26, 2010  

Q: A tumbleweed blowing across the course strikes a ball and knocks it into the hole.  Is the tumbleweed an outside agency?  

A:  No

B: Yes

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ANSWER:

   B: Yes

According to Decision 18-1/6:  "In the circumstances, a tumbleweed is an outside agency.  Rule 18-1 applies and the ball must be replaced without penalty."

 [Under Decision 18-1/6  in The Rules of Golf 2010-2011]