Minigolf and golf putters may be used. Other golf clubs are permitted only if so defined in the system-specific rules.
The putter must have no gadgets for aiming. Notches and lines on the putter head are permitted.
The area of the putter face must not exceed 40 square centimeters.
If the rules regarding the putter are violated, the shots played with a non-permitted putter count on the lane on which the violation is noticed, and the lane has to be replayed.
All Minigolf and golf balls of any material are permissible.
The diameter of the ball must be between 37,0 mm and 43,0 mm. Balls must not bounce more than 85 cm when dropped on concrete from a height of 1 m at 25° Celsius.
Only balls which are permitted under the homologation rules for balls may be used in tournaments.
The details of homologation of balls are summarized in a regulation.
If the rules regarding the ball are violated, the shots played with a non-permitted ball count on the lane on which the violation is noticed, and the lane has to be replayed.
A ball in play can only be moved by a stroke of the putter. It can only be played from a position of rest and can only be touched by the putter in the moment of the stroke (Exception: placement of the ball in the teeing-off area).
In preparation for a stroke the ball must be placed on the playing surface by the player or coach, by hand or by putter. The placement of the ball inside the playing area is allowed only with the hand. The ball must be always visible.
Before every stroke the ball has to be addressed with the putter held in both hands.
A stroke is played when a player, in readiness to play, brings the putter into contact with the ball thereby setting it in motion. Unintentional contact with the ball in the absence of clear readiness to play does not count as a stroke. A player is deemed ready to play when, in addressing the ball, he begins his backswing. Any movement of the putter back and forward after this is count as readiness to play. "Setting in motion" means when the ball leaves its position of rest. Exceptions to this rule are defined in the system-specific rules for special lanes.
When a player addresses the ball, all other persons must keep away from the lane and the player, so that he cannot be disturbed. If it is possible, they have to keep a distance of minimum 1 meter.