The Millers, who only secured League One safety after holding MK Dons to a goalless draw on the final day of the season, had warned they would go out of business if they did not enter into a Company Voluntary Agreement.
Chairman Denis Coleman told the club's official website: "We were confident we would be able to secure the decision.
"It's the only way Rotherham United have a future, the alternative was liquidation."
Football League spokesman John Nagle said: "Having agreed a CVA enabling it to reduce its debts, Rotherham United have been served with a sporting sanction of 10 points.
"It will take effect from the beginning of the 2006/07 season. The club has seven days to lodge an appeal with the League."