The phrase "a key vote on" is correct and usable in written English.
It can be used when discussing an important or decisive vote regarding a specific issue or topic.
Example: "The committee held a key vote on the proposed legislation that could change the future of healthcare in the country."
Alternatives: "a crucial vote regarding" or "an important vote concerning".
As such the SNP will vote against the government on a key vote on Tuesday.
He said: "This could have worked as a key vote on nuclear power, not just about city politics.
Corker is seen as a key vote on budget and tax issues and a leading voice on foreign affairs.
Corbyn is said to want to push change through so the party has a clear unilateralist line before a key vote on Trident in the next few months.
That summer, in exchange for a key vote on an energy bill, Mr. Emanuel, without asking the first lady's permission, promised Allen Boyd, a Florida congressman, that she would appear at an event.
Last week, when she failed to turn up at Westminster in time for a key vote on health-service reform and then played hooky from cabinet the next day, she appeared to be signalling that she had had enough.
In a statement in early April, Heritage said the group strongly opposes Senate Majority Leader Harry Reid's gun control proposal (of which the Toomey-Manchin deal will be part), and it warned lawmakers that it plans to "include [votes on the bill] as a key vote(s) on our legislative scorecard".
The Board of Supervisors faces a key vote Tuesday on moving the project forward.
On Tuesday a key vote is scheduled on Senator Kennedy's proposal.
During those years, he will be a key vote, if not the key vote, on many cases involving labor protections, civil rights, civil liberties, gay and abortion rights, corporate power, environmental issues, education, the death penalty, criminal justice system reforms, voting rights, and many other issues that will alter, and shape law and public policy for years, perhaps decades to come.
The lifeline for Spain also was seen as an essential buffer to calm investors ahead of a key vote in Greece on June 17.
