Cover Oregon health exchange discovers new tax credit problem, number affected unknown

“Officials at Cover Oregon have realized the number of people affected by tax credit errors is much larger than previously thought — meaning they may owe money at tax time.
Early this month, The Oregonian revealed the existence of the erroneous formula, which had to do with the tax credits used by qualified individuals to reduce their premiums. Cover Oregon first noted the formula was wrong in January, but correcting it took a back seat to fixing the exchange’s technological problems, officials said.”