24-2. Immovable Obstruction

a. Interference
Interference by an immovable obstruction occurs when a ball lies in or on the obstruction, or so close to the obstruction that the obstruction interferes with the player´s stance or the area of his intended swing. If the player´s ball lies on the putting green, interference also occurs if an immovable obstruction on the putting green intervenes on his line of putt. Otherwise, intervention on the line of play is not, of itself, interference under this Rule.

b. Relief
Except when the ball is in a water hazard or a lateral water hazard, a player may obtain relief from interference by an immovable obstruction, without penalty, as follows:

(i) Through the Green: If the ball lies through the green, the nearest point of relief shall be determined which is not in a hazard or on a putting green. The player shall lift the ball and drop it within one club-length of and not nearer the hole than the nearest point of relief, on a part of the course which avoids interference (as defined) by the immovable obstruction and is not in a hazard or on a putting green.

(ii) In a Bunker: If the ball is in a bunker, the player shall lift and drop the ball in accordance with
Clause (i) above, except that the nearest point of relief must be in the bunker and the ball must be dropped in the bunker.

(iii) On the Putting Green: If the ball lies on the putting green, the player shall lift the ball and place it at the nearest point of relief which is not in a hazard. The nearest point of relief may be off the putting green.

The ball may be cleaned when lifted under Rule 24-2b.

(Ball rolling to a position where there is interference by the condition from which relief was taken - see Rule 20-2c(v).)

Exception: A player may not obtain relief under Rule 24- 2b if
(a) it is clearly unreasonable for him to play a stroke because of interference by anything other than an immovable obstruction or
(b) interference by an immovable obstruction would occur only through use of an unnecessarily abnormal stance, swing or direction of play.

Note 1: If a ball is in a water hazard (including a lateral water hazard), the player is not entitled to relief without penalty from interference by an immovable obstruction. The player shall play the ball as it lies or proceed under Rule 26-1.

Note 2: If a ball to be dropped or placed under this Rule is not immediately recoverable, another ball may be substituted.

Note 3: The Committee may make a Local Rule stating that the player must determine the nearest point of relief without crossing over, through or under the obstruction.

c. Ball Lost
It is a question of fact whether a ball lost after having been struck toward an immovable obstruction is lost in the obstruction. In order to treat the ball as lost in the obstruction, there must be reasonable evidence to that effect. In the absence of such evidence, the ball must be treated as a lost ball and Rule 27 applies.

If a ball is lost in an immovable obstruction, the spot where the ball last entered the obstruction shall be determined and, for the purpose of applying this Rule, the ball shall be deemed to lie at this spot.

(i) Through the Green: If the ball last entered the immovable obstruction at a spot through the green, the player may substitute another ball without penalty and take relief as prescribed in Rule 24-2b(i).

(ii) In a Bunker: If the ball last entered the immovable obstruction at a spot in a bunker, the player may substitute another ball without penalty and take relief as prescribed in Rule 24-2b(ii).

(iii) In a Water Hazard (including a Lateral Water Hazard): If the ball last entered the immovable obstruction at a spot in a water hazard, the player is not entitled to relief without penalty. The player shall proceed under Rule 26-1.

(iv) On the Putting Green: If the ball last entered the immovable obstruction at a spot on the putting green, the player may substitute another ball without penalty and take relief as prescribed in Rule 24-2b(iii).

PENALTY FOR BREACH OF RULE:
Match play - Loss of hole;
Stroke play - Two strokes.