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Golf · Rules of Golf

Rule 15: Relief from Loose Impediments and Movable Obstructions (Including Ball or Ball-Marker Helping or Interfering with Play)

1 parts · 5 tests · 50 facts · updated 12 October 2026 · markdown

Loose impediments and removing them, a ball that moves when one is removed, movable obstructions, a ball on the green helping play, and a ball or ball-marker interfering with play.

15.151Loose Impediments, Movable Obstructions, Helping and Interfering

Loose impediments, a ball moved while removing one, movable obstructions, a ball helping play, and a ball or marker interfering.

Test 1Loose impedimentsTake a test

  1. Loose impediments are unattached natural objects such as stones, leaves and twigs. Sand, dew and growing things are not.

    Source: Rules of Golf (2023), Definition of Loose Impediment · recall

  2. A loose impediment may be removed anywhere, in any way, by hand, foot, club or otherwise.

    Source: Rules of Golf (2023), Rule 15.1a · applied

  3. Loose impediments may be removed in a bunker too.

    Source: Rules of Golf (2023), Rule 15.1a; Rule 12.2a · applied

  4. Natural objects sticking to the ball are not loose impediments.

    Source: Rules of Golf (2023), Definition of Loose Impediment · applied

  5. A live insect on a ball is a loose impediment.

    Source: Rules of Golf (2023), Definition of Loose Impediment · applied

  6. Snow and natural ice other than frost are loose impediments or, on the ground, temporary water, at the player's option.

    Source: Rules of Golf (2023), Definition of Loose Impediment · recall

  7. Removing a loose impediment that would likely have moved the ball, before replacing it off the green, costs one stroke.

    Source: Rules of Golf (2023), Rule 15.1a, Exception 1 · applied

  8. Removing a loose impediment is free as long as the ball stays still.

    Source: Rules of Golf (2023), Rule 15.1a · applied

  9. Had the stone been removed while the ball was still at rest, it would probably have moved the ball, so taking it away before replacing costs one penalty stroke; the stone need not go back.

    Source: Rules of Golf (2023), Rule 15.1a, Exception 1 · applied

  10. Sand (D) is not a loose impediment. The pebble (A), leaf (B) and worm cast (C) are.

    Source: Rules of Golf (2023), Definition of Loose Impediment · applied

Test 2When removing a loose impediment moves the ballTake a test

  1. Moving the twig itself was allowed, but because the ball moved as a result it costs one penalty stroke and the ball is replaced.

    Source: Rules of Golf (2023), Rule 15.1b; Rule 9.4b · applied

  2. On the putting green, accidentally moving the ball is free; it is replaced.

    Source: Rules of Golf (2023), Rule 15.1b; Rule 13.1d · applied

  3. A teed ball is not in play until a stroke is made, so it may be re-teed without penalty.

    Source: Rules of Golf (2023), Rule 15.1b; Rule 6.2b(6) · applied

  4. Accidental movement during a search is free under Rule 7.4, and the ball is replaced.

    Source: Rules of Golf (2023), Rule 15.1b; Rule 7.4 · applied

  5. The one-stroke penalty for moving the ball comes from Rule 9.4b.

    Source: Rules of Golf (2023), Rule 15.1b · recall

  6. Not replacing it means playing from a wrong place: the general penalty.

    Source: Rules of Golf (2023), Rule 15.1, Penalty · applied

  7. A loose impediment may be removed in any way, including breaking off part of it.

    Source: Rules of Golf (2023), Rule 15.1a · applied

  8. The ball goes back, and one stroke is added for moving it.

    Source: Rules of Golf (2023), Rule 15.1b · applied

  9. On the green there is no penalty, but the ball must still go back.

    Source: Rules of Golf (2023), Rule 13.1d · applied

  10. B's ball moved in the fairway. A is on the putting green, C is teed in the teeing area and D moved during a search, all free.

    Source: Rules of Golf (2023), Rule 15.1b · applied

Test 3Movable obstructionsTake a test

  1. A rake can be moved with reasonable effort. A sprinkler head and a cart path are immovable, and a boundary stake is a boundary object.

    Source: Rules of Golf (2023), Definition of Movable Obstruction · recall

  2. If the ball moves while a movable obstruction is removed, there is no penalty and it is replaced.

    Source: Rules of Golf (2023), Rule 15.2a(1) · applied

  3. Off the green, the ball is lifted, the obstruction removed and a ball dropped within one club-length of the point right under it.

    Source: Rules of Golf (2023), Rule 15.2a(2) · applied

  4. On the putting green the ball is placed on the estimated spot right under where it lay.

    Source: Rules of Golf (2023), Rule 15.2a(3) · applied

  5. When it is known or virtually certain that the ball is in or on a movable obstruction, free relief is measured from where it last crossed its edge.

    Source: Rules of Golf (2023), Rule 15.2b · applied

  6. Tee-markers must not be moved when the ball will be played from the teeing area.

    Source: Rules of Golf (2023), Rule 15.2a(1), Exception 1 · applied

  7. Movable obstructions may be removed anywhere, bunkers included.

    Source: Rules of Golf (2023), Rule 15.2a(1); Rule 12.2a · applied

  8. The reference point is right under where the ball lay on the towel.

    Source: Rules of Golf (2023), Rule 15.2a(2) · applied

  9. Removing a movable obstruction is one of the free cases.

    Source: Rules of Golf (2023), Rule 15.2a(1) · applied

  10. B is the only one that lifts away freely. A and D are fixed in place, and C marks the boundary.

    Source: Rules of Golf (2023), Definition of Movable Obstruction · applied

Test 4A ball on the green helping playTake a test

  1. Rule 15.3a applies only to a ball at rest on the putting green.

    Source: Rules of Golf (2023), Rule 15.3a · recall

  2. The player may require the owner to mark and lift a ball that might help anyone's play.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  3. Each player who agreed to leave a helping ball in place gets the general penalty.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  4. In stroke play a player required to lift may play first instead.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  5. The fringe is outside the green, so this particular protection does not reach it.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  6. Making a stroke without waiting, after knowing the ball was to be lifted, is a breach.

    Source: Rules of Golf (2023), Rule 15.3, Penalty · applied

  7. The lifted ball must be replaced on its original spot.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  8. Mark, lift, play, replace.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  9. Agreeing to leave a ball to help is penalised in stroke play.

    Source: Rules of Golf (2023), Rule 15.3a · applied

  10. A is on the putting green beside the hole. B is in the fringe, C in a bunker and D on the fairway, so Rule 15.3a does not cover them.

    Source: Rules of Golf (2023), Rule 15.3a · applied

Test 5A ball or ball-marker interfering with playTake a test

  1. Interference means the ball might affect the stance or swing, could be hit on the line, or is close enough to distract.

    Source: Rules of Golf (2023), Rule 15.3b(1) · recall

  2. A ball anywhere on the course that might interfere may be required to be lifted.

    Source: Rules of Golf (2023), Rule 15.3b(2) · applied

  3. A player may not lift their ball just on their own belief; doing so without being required costs one stroke.

    Source: Rules of Golf (2023), Rule 15.3b(2) · applied

  4. A ball lifted for interfering must not be cleaned unless it was lifted from the putting green.

    Source: Rules of Golf (2023), Rule 15.3b(2) · applied

  5. The player may require the owner to move the ball-marker out of the way.

    Source: Rules of Golf (2023), Rule 15.3c · applied

  6. It should be moved back by measuring from the new spot and reversing the steps used.

    Source: Rules of Golf (2023), Rule 15.3c · applied

  7. Refusing to lift or move when required, followed by the other player's stroke, is a breach.

    Source: Rules of Golf (2023), Rule 15.3, Penalty · applied

  8. Measured out, then measured back.

    Source: Rules of Golf (2023), Rule 15.3c · applied

  9. An interfering ball off the green is marked, lifted without cleaning and replaced.

    Source: Rules of Golf (2023), Rule 15.3b(2) · applied

  10. D is far off to the side. A is in the area of the stance, B is on the line of play and C is close enough to distract.

    Source: Rules of Golf (2023), Rule 15.3b(1) · applied

Sources

Rules of Golf, effective January 2023 (The R&A and USGA), Rule 15 and the Definitions (paraphrased in original wording; original questions authored from the Rules, not reproduced)

  • Rules of Golf (2023), Rule 15.3a9
  • Rules of Golf (2023), Definition of Loose Impediment5
  • Rules of Golf (2023), Rule 15.3b(2)4
  • Rules of Golf (2023), Rule 15.1a3
  • Rules of Golf (2023), Rule 15.1b3
  • Rules of Golf (2023), Rule 15.3c3
  • Rules of Golf (2023), Rule 15.1a, Exception 12
  • Rules of Golf (2023), Definition of Movable Obstruction2
  • Rules of Golf (2023), Rule 15.2a(1)2
  • Rules of Golf (2023), Rule 15.2a(2)2
  • Rules of Golf (2023), Rule 15.3, Penalty2
  • Rules of Golf (2023), Rule 15.3b(1)2
  • Rules of Golf (2023), Rule 15.1a; Rule 12.2a1
  • Rules of Golf (2023), Rule 15.1b; Rule 9.4b1
  • Rules of Golf (2023), Rule 15.1b; Rule 13.1d1
  • Rules of Golf (2023), Rule 15.1b; Rule 6.2b(6)1
  • Rules of Golf (2023), Rule 15.1b; Rule 7.41
  • Rules of Golf (2023), Rule 15.1, Penalty1
  • Rules of Golf (2023), Rule 13.1d1
  • Rules of Golf (2023), Rule 15.2a(3)1
  • Rules of Golf (2023), Rule 15.2b1
  • Rules of Golf (2023), Rule 15.2a(1), Exception 11
  • Rules of Golf (2023), Rule 15.2a(1); Rule 12.2a1