... with similar collection risk characteristics, (b) current and forecast economic conditions, and (c) historical collection data Agency Comments In its response, IRS took no exception to GAO’S ... pay. Further, although IRS developed historical collection rates for groups of assessments, the assessments within these groups did not have similar collection risk characteristics, and IRS ... on actions taken on these recommendations. You should send the statement to the Senate Committee on Governmental Affairs and the House Committee on Government Operations within 60 days of the...