When You're Looking Across the Line
You Must Abstain From Close Line Calls
(Ask your opponent for the call. If they don't know/not sure, the ball is IN.) '
Players shall not call a ball "out" unless they can clearly see a space between the line and the ball.
Rule 6.D.3.
Your opponent always gets the benefit of the doubt on line calls made. Any ball that cannot be definitely called "out" will be considered "in."
Rule 6.D. "Code of Ethics for Line Calling"
Players must operate under the principle that all questionable calls must be resolved in favor of the opponent.