Kansas City, Mo. ? Federal officials on Wednesday asked a judge to prohibit a Belton woman from preparing income tax returns in the future, accusing her of filing fraudulent returns shortchanging the government by $2.4 million since 2003.

The suit filed in federal court in Kansas City claims Marva Bilberry prepared taxes for people in the Kansas City area through a Raymore business called Bilberry Bookkeeping and Tax Service.

Investigators said 98 percent of 122 returns prepared by Bilberry and reviewed by the Internal Revenue Service included errors, averaging $3,167 in additional taxes per customer.

The suit claims the returns included inflated medical expenses, employee business expenses, charitable contributions and home business expenses.