1. Centre the Jack, and place a full length Jack 2m from the front ditch.
2. Ensure that the Jack is a minimum of 23m from the mat line after it has been centred.
3. Stand at one side of the rink, and at least 2m to the rear of the Jack.
4. Answer any specific question relating to the existing state of the head while the player is in the possession of the rink and when requested clearly indicate the shot if possible.
5. Mark all Touchers immediately they come to rest, and remove marks from non-Touchers. With the agreement of both Opponents the Marker shall remove all dead bowls from the green and the ditch. The Marker shall mark the positions of the Jack and Touchers which are in the ditch.
6. Protect the head from any disturbance by outside objects.
7. Not move, or cause to be moved, either Jack or bowls until each player has agreed to the number of shots.
8. Measure carefully all doubtful shots when requested by either player. If unable to come to a decision satisfactory to the players, the marker shall call the Umpire whose decision shall be final.
9. Enter the score at each end, and advise the players of the state of the game. When the game is finished, the marker shall see that the score card, containing the names of the Opponents is signed by them, record time, and disposed of in accordance with the rules of the competition.
10. Remove the mat from the previous end as necessary.