The order requires each agency to identify 50 percent more layoffs than the targets already set for the severance program.
Even if approved by the unions, it remains to be seen whether the new severance program will attract 8,500 workers.
He said his administration had expected 1,000 to 1,300 workers to be redeployed under the severance program.
She added that the Mayor was confident the severance program would reach its target.
And just last week, the exchange announced a voluntary severance program; it had already laid off 10 percent of its staff earlier this year.
The company also plans to offer a financial package similar to a severance program it has used to encourage workers to voluntarily leave their jobs.
He said appoximately 2,900 people accepted one of two severance programs that were offered, or 900 more than expected.
They hope to win improved early retirement and severance programs.
The severance program opened yesterday and will close on Jan. 18, the administration said.
The company said 3,400 would be from its domestic work force, including 1,600 who have already resigned under a voluntary severance program.