It prompted Ms Eagle to urge Labour supporters who do not back Mr Corbyn to become registered members of the party so that they can vote for another candidate.
Mr Corbyn now faces a leadership contest against former shadow secretary of state Angela Eagle and former shadow work and pensions secretary Owen Smith.
"I'm seeing the governor of the Bank of England this morning and we'll take stock of where we are".
Mr Dromey said: "I was born on the left and I will die on the left". Erdington is rich in talent but it is one of the poorest constituencies in Britain.
After taking some time to regain her composure, Eagle told the crowd that the news Boris was in the Foreign Office showed the importance of electing a Labour government.
And Khalid Mahmood said Labour needed a new leader. "We need to turn the page", he said.
Labour Party members should be able to "select candidates that reflect their views" before each general election, said the motion passed by Unite, Labour's largest affiliate.
Nominations for the election close on July 20, and there is a two day window between July 18 to 20 for people to pay £25 to register to vote in the contest, with ballot papers being mailed from August 22.
They also have to confirm that they support Labour's "aims and values".
Ms Eagle said: "I'm glad Labour's NEC has come to a decision".
Since the announcement, Corbyn supporter Lauren Ashby has created a crowdfunding page in a bid to raise £5,000 to help cover the cost for those who wish to have their say.
On Tuesday the party ruled he had the automatic right to stand in the contest without needing to be nominated by lawmakers.
Britain's opposition Labour leader Jeremy Corbyn on Tuesday won a crucial victory against rebels seeking to unseat him, after the party's executive committee ruled he would automatically be included on a leadership ballot.
This means that the outcome of the leadership contest could potentially be determined by which faction of Labour party supporters is more willing to part with £25: Corbynistas, or moderates who wish to see him removed.
The veteran socialist faces a challenge by senior MP Angela Eagle, although others may decide to stand in the race which will see the victor crowned in September.
He said he was sure Labour MPs "will understand that the party has to come together.to present to the British people the options of a different and better way of doing things".
"I'm in this contest to win it and that's what I intend to do".