Golf Rule 7, Practice – Simplified Version
7-1. During match play competition, players may practice on the course before the round. In stroke play, players are not allowed to practice on the course the day of a round or between rounds; players cannot test green surfaces by putting, rolling a ball or scraping the green.
Penalty for violating rule 7-1: Disqualification (match play or stroke play).
Exception: Players are allowed to practice putting or chipping on or near the first tee or practice area before a round.
7-2. Players may not hit practice shots or putts while playing a hole. (Practice swings and strokes are permitted as long as the player doesn’t intentionally strike the ball.) Between holes, players are allowed to hit practice chips or putts on or near the previous green, a practice green or the next tee.
Penalty for violating rule 7-2: Match play – loss of hole. Stroke play – two strokes.
7-1. Before Or Between Rounds
a. Match Play
On any day of a match-play competition, a player may practice on the competition course before a round.
b. Stroke Play
Before a round or play-off on any day of a stroke-play competition, a competitor must not practice on the competition course or test the surface of any putting green on the course by rolling a ball or roughening or scraping the surface.
When two or more rounds of a stroke-play competition are to be played over consecutive days, a competitor must not practice between those rounds on any competition course remaining to be played, or test the surface of any putting green on such course by rolling a ball or roughening or scraping the surface.
7-2. During Round
A player must not make a practice stroke during play of a hole.
Between the play of two holes a player must not make a practice stroke, except that he may practice putting or chipping on or near:
a. the putting green of the hole last played,
b. any practice putting green, or
c. the teeing ground of the next hole to be played in the round, provided a practice stroke is not made from a hazard and does not unduly delay play (Rule 6-7).
Strokes made in continuing the play of a hole, the result of which has been decided, are not practice strokes.
In the event of a breach between the play of two holes, the penalty applies to the next hole.
(a) practice on or near the putting green of the hole last played, and
(b) rolling a ball on the putting green of the hole last played.