Mr. Camp also suggested that the White House hid the scandal until after the 2012 elections, though he offered no examples or evidence.
The Obama administration has denied any connection with the IRS‘ targeting of conservative groups.
White House spokesman Jay Carney on Monday said White House Counsel Kathryn Ruemmler was first informed about the inspector general’s report — which was released May 14 — on April 24. Mr. Carney said she notified senior staff, including Denis McDonough, Mr. Obama’s chief of staff, but “appropriately” decided not to tell the president at the time because the audit was ongoing.
• David Sherfinski contributed to this report.