Final Answer:
Rebroadcast is discontinued when the incident is resolved, making option A the correct choice.
Step-by-step explanation:
Definition of Rebroadcast Discontinuation:
Rebroadcast refers to the retransmission of an incident or event.
Criteria for Discontinuation:
Rebroadcast is typically discontinued when the incident or event that triggered it has been resolved.
Explanation of Options:
Option A: This aligns with the standard practice of discontinuing rebroadcast once the incident is resolved.
Options B, C, and D: These time-based options do not universally determine when rebroadcast should be discontinued and may not be applicable to all situations.