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IRS Service Center Notices Issued
For Math Errors and Under-Reporting
Adjustments From Computerized
Document Matching
Fiscal Year | Returns Filed* |
Returns Percent |
Returns Percent |
||
1981 | 93,052,000 | na | 1,200,000 | 1.3 | |
1982 | 94,013,000 | na | 2,900,000 | 3.1 | |
1983 | 95,419,000 | na | 2,900,000 | 3.0 | |
1984 | 95,541,300 | na | 3,900,000 | 4.1 | |
1985 | 96,496,900 | na | 3,600,000 | 3.7 | |
1986 | 99,529,000 | na | 3,200,000 | 3.2 | |
1987 | 101,750,800 | na | 2,242,000 | 2.2 | |
1988 | 103,251,000 | na | 3,800,000 | 3.7 | |
1989 | 107,029,000 | na | 3,650,000 | 3.4 | |
1990 | 109,868,400 | na | 2,950,000 | 2.7 | |
1991 | 112,304,900 | na | 4,840,000 | 4.3 | |
1992 | 113,829,200 | 4,985,000 | 4.38 | 3,771,509 | 3.3 |
1993 | 114,718,900 | 4,088,000 | 3.56 | 2,723,830 | 2.4 |
1994 | 113,754,400 | 4,059,000 | 3.57 | 2,645,075 | 2.3 |
1995 | 114,683,400 | 6,102,000 | 5.32 | 2,711,086 | 2.4 |
1996 | 116,059,700 | 4,751,000 | 4.1 | 1,930,326 | 1.7 |
1997 | 118,362,600 | *5,984,000 | 5.1 | 931,354 | 0.8 |
1998 | 120,342,400 | 5,669,000 | 4.7 | 1,726,098 | 1.4 |
1999 | 121,829,470 | 6,552,000 | 5.4 | 1,770,695 | 1.5 |
2000 | 124,887,140 | 5,751,000 | 4.6 | 1,353,545 | 1.1 |
2001 | 127,097,210 | 6,082,967 | 4.8 | 1,161,901 | 0.9 |
2002 | 129,444,947 | **13,315,765 | **10.3 | 1,491,139 | 1.2 |
2003 | 130,341,159 | 4,967,703 | 3.8 | 1,561,068 | 1.2 |
Note that "na" means not available.
Source: IRS March 26, 2001 Submission to Senate Finance Committee; September 2002 submission to IRS Oversight Board;
"Report to Congress: IRS Tax Compliance Activities," July 15, 2003, Internal Revenue Service, Department of the Treasury;
FY 2002-2003 IRS Data Books. Return
counts represent prior calendar year filings based upon internal IRS reports.
*Expanded math error authority was implemented in calendar
year 1997 for tax year 1996; data prior to FY 1998 does not include earned
income tax credit (EITC) or taxpayer identification number (TIN)
"math errors."
**Spike caused by taxpayer confusion with the advance payment of the rate reduction credit.