An announcement on concessions is expected within the next several days, a senior Administration official said.
Those cuts would remain until the two sides reached an agreement on long-term concessions.
The Miners were the only team in the league without revenue sharing on concessions.
Fans spend an average of $10 on concessions, with about 40 percent of that going to the team.
The figures do not include the millions of dollars they likely made on concessions and ticket sales.
Some shows have already cut back on concessions in response to rising attendance.
And just less than two weeks ago, the unions had come around to meeting him on substantial concessions.
The talks on concessions are in an early stage.
It is possible to go back on certain concessions if the second stage does not meet European interests.
They were not reduced in its negotiations with unions on concessions.