They then nominate the productions on which the entire membership will vote.
About 28% of the party membership voted in the leadership contest.
And then the joint membership of 130,000 must vote on it, too.
If they approve the package, the membership will then vote on it.
The union's full membership - some 33,700 workers - will vote on the contract in the coming weeks.
In May 1953 the membership voted to allow women guests at dinners.
The membership will vote on this proposal as well.
In 1988, the club's membership voted overwhelmingly to admit female members.
The membership voted to return to the former name in February 2010.
Two years later, the membership voted by a 3-to-2 ratio to maintain that stance.