The " line of putt" is the line that the player wishes his ball to take after a   stroke  on the  putting green. Except with respect to Rule   16-1e , the line of putt includes a reasonable distance on either side of the intended line. The line of putt does not extend beyond the hole.

1. the player may remove loose impediments, provided he does not press anything down;
2. the player may place the club in front of the ball when addressing it, provided he does not press anything down;
3. in measuring - Rule 18-6;
4. in lifting or replacing the ball - Rule 16-1b;
5. in pressing down a ball-marker;
6. in repairing old hole plugs or ball marks on the putting green - Rule 16-1c; and
7. in removing movable obstructions - Rule 24-1.