"And if the fiscal position of the United States deteriorates further or if the political gridlock becomes more entrenched, then that could lead to a downgrade. The outlook indicates at least a one in three chance of a downgrade over that period."
Describing the political lead up to the recently concluded debt deal as a "debacle," S&P officials warned that further downgrades could await the US economy.
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"And if the fiscal position of the United States deteriorates further or if the political gridlock becomes more entrenched, then that could lead to a downgrade. The outlook indicates at least a one in three chance of a downgrade over that period."
According to The Financial Express, Chambers added it would take some time for the United States to recover its AAA rating.
Senior S&P officials insisted on Saturday that the ratings agency did not overstep on its boundaries by focusing on the political paralysis in Washington as much as fiscal policy in determining the new rating.
"Fiscal policy, like other government policy, is fundamentally a political process," said David Beers, head of S&P's debt rating unit.
Addressing claims made by the US Treasury of a possible error in S&P’s calculations, Beers described the comments to be “misleading and unfair.”