What should an umpire do if a player steps into "no-man's land" after delivering a bowl?

When a player steps into "no-man's land" after delivering a bowl, it indicates they are infringing on the rules regarding their position on the green. The correct response is to provide a warning followed by penalties for repeated offenses. This approach serves multiple purposes: it reinforces the importance of adhering to the established rules and ensures the safety of all players involved.

Issuing a warning allows the player to understand that their action is against the rules, giving them a chance to correct their behavior without immediate consequences. However, if the behavior continues, the enforcement of penalties ensures that the game maintains its integrity and flow. This step is essential since repeated infractions can disrupt the game and fairness for other competitors.

In contrast, simply notifying the player or encouraging the behavior does not address the rule violation effectively. Ignoring the behavior, even if the game appears to be progressing, can lead to further issues, as it undermines the authority of the umpire and the rules of the sport. Thus, a structured approach with firm but fair consequences is essential for maintaining order and safety on the green.