The U.S. Postal Service is on track to run out of cash as early as October.
The agency has temporarily shelved plans to close some 3,700 underperforming post offices.
The Postal Service has been hurt by the drop in first-class mail as more people switch to the Internet to communicate and pay bills.
But St. Louis Congressman Russ Carnahan says the agencies’ biggest problem stems from a requirement to prepay health benefits for future retirees.