採決

1. Origins, structure, and basic meaning

• Structure: 採決 (さいけつ) is an action noun for deciding a proposal by a vote in a formal meeting.
• Basic usage: 採決に移った moves from discussion into the voting stage, while 修正案は採決される makes an amendment the proposal to be voted on at the next meeting.

2. Common pitfalls and similar expressions

• Procedural stage and proposal voted on
  • 採決に移る is a stage before the result, while 採決される makes the proposal subject to a vote. Neither expression says it passed.