The ballots will be held until a decision is made on whether the men are eligible.
At the 1911 election, all 30 second ballots were held seven days later.
If that ballot is held anyway, the result will not have any effect.
A second ballot of the 3,478 delegates was being held.
On the afternoon of the first day, one ballot may be held.
Further ballots will be held in the next two weeks.
The second ballots were held one week later on 14 December.
The first ballot will be held on the Tuesday immediately following.
The second ballot will be held on the following Tuesday.
The first ballot was held on 29 March, with a turnout of 68.9%.
