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A procedural motion to close debate on a draft resolution or amendment and move directly to a binding vote on its adoption by the committee.
In Model UN, a motion for a substantive vote (often phrased as a motion to close debate or motion to move into voting procedure) signals that the committee is ready to stop discussing the substance of a draft resolution or amendment and decide its fate by formal vote. Once entertained by the chair, the motion typically requires a two-thirds majority to pass, though thresholds vary by conference rules (THIMUN, NMUN, Harvard WorldMUN, and UN4MUN procedure each treat closure slightly differently).
A substantive vote is distinct from a procedural vote. Procedural votes decide how the committee operates (e.g., motions to suspend, set speakers' time, or move to a moderated caucus) and observer states and full members alike usually vote yes or no with no abstentions. Substantive votes decide the actual policy output — adoption of a draft resolution, an amendment, or in crisis committees a directive — and delegates may generally vote yes, no, or abstain. Under most rulebooks, observer states cannot cast substantive votes.
Typical sequence once the motion passes:
Delegates use the motion strategically: blocs with the votes lined up push for closure to lock in a win, while those still negotiating amendments resist it. Misreading the room — calling the vote before securing a majority — is one of the most common tactical errors in committee.
Most MUN rulebooks require a two-thirds majority to close debate and move into voting procedure, though some conferences use a simple majority. Check the specific conference's rules of procedure.
Yes. Unlike procedural votes, substantive votes typically allow yes, no, or abstain. Sponsors of the draft resolution, however, are usually expected to vote in favor.
Procedural votes govern how the committee operates and disallow abstentions; substantive votes decide the actual content — adopting resolutions, amendments, or directives — and permit abstentions from full member states.