Once debate has run its course and the votes are there, a member moves to end discussion and decide now, which stops a minority from talking a proposal past its window.
Borderline: whether this move is justified depends on the situation, and only the person in it can judge.
An example
Four meetings into its debate over a fiber build into three suburbs, the capital committee of a regional telecom carrier had heard every case. Finance and network had argued theirs, the engineering estimates had been revised twice, and the vote count was not in doubt. Two members who opposed the build kept raising new questions, each needing another analysis and another month. The contractor's price held only until the end of the quarter. At the fifth meeting, after the opponents had spoken again, the head of the consumer business asked whether anyone had a point not yet heard, and when none was offered, moved that the committee vote that day. One member objected to closing discussion, so the chair put that question first: seven to two to close. The build passed by the same margin, and the minority's objections went into the minutes in full.
Why it works
A small group that cannot win the vote can still win by keeping the question open until the opportunity expires. Moving to end debate makes approval easier, because the decision happens now, inside the window, and it makes further delay costlier for the minority, which must argue openly against deciding at all. The move depends on real debate having taken place, on rules or norms that allow a motion to close discussion, and on a majority large enough to carry it, two-thirds under the standard rules. Made too early, it looks like a gag and turns neutral members against the sponsor.
The thinking behind it
Henry Martyn Robert Section 20 of Robert's Pocket Manual of Rules of Order for Deliberative Assemblies (1876) explains that moving the previous question is in effect moving that debate now cease and the assembly vote at once. The motion cannot be debated or amended and needs a two-thirds vote; if it fails, discussion continues. The two-thirds bar is the safeguard the clean form relies on: a bare majority cannot close debate, only a large one that has heard enough.
When it fits
Formal bodies with a chair and a voting rule are where it applies, once a question has been discussed fully, a majority exists, and delay has a cost: a price that expires, a season, a competitor's move. You need standing as a member and a chair willing to put the motion. It has no purchase where the group decides by consensus and has no voting rule.
How to use it well
Make sure the debate has been real. The motion is legitimate when every side has been heard and new points have stopped appearing, so check that honestly before you move.
- Count the votes in advance. Standard rules require two-thirds to close debate, so confirm that supporters will back the motion as well as the proposal.
- Name the cost of further delay plainly: the date, the price, the window.
- Ask whether anyone has a point not yet heard, then move to close.
- Ask for the minority's objections to be recorded in full.
Use the formal procedure where it exists, and say what you are doing. A visible motion that the group votes on leaves the decision legitimate and gives the minority a record.
What it costs and where it backfires
Closing debate can leave the minority feeling silenced, and they are often the people who must carry out the decision. If a real concern was still unheard, you have forced a bad decision and you own it. Used often, the motion marks you as someone who shuts down discussion. The move stays clean while debate has run its course. Using it to cut off a point that has not been heard, or springing it before opponents have spoken, turns a procedural tool into suppression.
When it is used on you
Should someone move to close debate while you still have a substantive point, state the point in one sentence and ask for it to be answered before the vote. If the motion passes, ask for your objection to go in the minutes, and keep your own record. Holding the question open with questions you do not need answered loses the room.