Most contact scenarios focus on who gets to answer. The more urgent institutional question may be who gets to freeze every answer before one leaves the system.
Reply freeze authority sounds narrow, but it sits at the center of the whole governance structure. Without it, fast operators, persuasive analysts, or politically connected ministries can turn provisional interpretation into external commitment simply by moving first. With it, institutions gain the right to defend uncertainty until the review structure catches up.
The problem is that freeze authority is awkward to assign. Give it to the technical operator and the same group that detected the event can block scrutiny. Give it to a ministry and the process becomes vulnerable to secrecy reflexes. Give it to a cross-institution board and every urgent actor will complain that the system is too slow.
That tension is a sign of realism, not weakness. A mature contact framework should make it difficult for any one actor to turn speed into legitimacy.