Originally Posted by aaa

An obstruction is a movable obstruction if it may be moved without unreasonable effort, without unduly delaying play and without causing damage. Otherwise it is an immovable obstruction.
Note: The Committee may make a Local Rule declaring a movable obstruction to be an immovable obstruction.




You can move a movable obstruction at any time
Rule 24-1 Movable Obstruction
A player may take relief without penalty from a movable obstruction as follows:
(a) If the ball does not lie in or on the obstruction, the obstruction may be removed.