"...U.S. Postal Service executives are considering suspending contributions to the Federal Employees Retirement System because the agency may run out of cash, a new inspector general’s report says. The IG said the agency could face a $100 million cash gap in mid-October, when it is supposed to reimburse the Labor Department $1.4 billion for workers’ compensation costs. The Postal Service tried to suspend contributions to FERS last year on the grounds that the agency had a $7 billion surplus with FERS, but it backed down after the Justice Department refused to sanction the move. The news of the Postal Service’s cash problems came shortly before it failed to make a legally required $5.5 billion payment for future retiree health care..."