If they refuse to agree to a referendum, they're basically refusing to form a government.
Lévesque refused to agree to the deal and left the meeting.
The black studies department refused to agree to cross-list the course.
There he demanded a divorce, but his wife refused to agree to one.
But they refuse to agree that the first two should make any contribution whatever, even though taxes are the lowest in 50 years.
"The families refused to agree to have the bodies autopsied."
Hilton refused to agree to these terms and broke off negotiations.
Sometimes they even refuse to agree to a vote on a motion to start debating a bill.
"This was not true, and I refused to agree to it."
The bishop wanted to introduce a new episcopal tax, which the city refused to agree to.