The following rules (indoor and outdoor) must be adhered to for a legal throw:
Upon calling the athlete's name, the athlete may choose any part of the throwing circle to enter inside.
They have thirty seconds to commence the throwing motion; otherwise it counts as a forfeit for the current round.

The athlete may not wear gloves; IAAF rules permit the taping of individual fingers.

The athlete must rest the shot close to the neck, and keep it tight to the neck throughout the motion.

The shot must be released above the height of the shoulder, using only one hand.

The athlete may touch the inside surface of the circle or toe board, but must not touch the top or outside of the circle or toe board, or the ground beyond the circle.
Limbs may, however, extend over the lines of the circle in the air.

The shot must land in the legal sector (34.92°) of the throwing area.

The athlete must leave the throwing circle from the back.

Foul throws occur when an athlete:
Does not pause within the circle before beginning the putting motion.

Does not complete the putting movement initiated within thirty seconds of having their name called.

Allows the shot to drop below his shoulder or outside the vertical plane of his shoulder during the put.

At any time if the shot loses contact with the neck then it is technically an illegal put.

During the putting motion, touches with any part of the body (including shoes):
the top or ends of the toe board
the top of the iron ring
anywhere outside the circle.

Puts a shot which either falls outside the throwing sector or touches a sector line on the initial impact.

Leaves the circle before the shot has landed.

Does not leave from the rear half of the circle.
The following rules (indoor and outdoor) must be adhered to for a legal throw:
Upon calling the athlete's name, the athlete may choose any part of the throwing circle to enter inside. They have thirty seconds to commence the throwing motion; otherwise it counts as a forfeit for the current round.
The athlete may not wear gloves; IAAF rules permit the taping of individual fingers.
The athlete must rest the shot close to the neck, and keep it tight to the neck throughout the motion.
The shot must be released above the height of the shoulder, using only one hand.
The athlete may touch the inside surface of the circle or toe board, but must not touch the top or outside of the circle or toe board, or the ground beyond the circle. Limbs may, however, extend over the lines of the circle in the air.
The shot must land in the legal sector (34.92°) of the throwing area.
The athlete must leave the throwing circle from the back.
Foul throws occur when an athlete:
Does not pause within the circle before beginning the putting motion.
Does not complete the putting movement initiated within thirty seconds of having their name called.
Allows the shot to drop below his shoulder or outside the vertical plane of his shoulder during the put.
At any time if the shot loses contact with the neck then it is technically an illegal put.
During the putting motion, touches with any part of the body (including shoes):
the top or ends of the toe board
the top of the iron ring
anywhere outside the circle.
Puts a shot which either falls outside the throwing sector or touches a sector line on the initial impact.
Leaves the circle before the shot has landed.
Does not leave from the rear half of the circle.
Shot put