https://www.irs.gov/refunds/reduced-refund
Reduced refund | Internal Revenue Service
The Department of Treasury's Bureau of the Fiscal Service (BFS) issues IRS tax refunds and Congress authorizes BFS to conduct the Treasury Offset Program (TOP).
internal revenue service
https://www.irs.gov/taxtopics/tc161
Topic no. 161, Returning an erroneous refund – Paper check or direct deposit | Internal Revenue...
Topic No. 161, Returning an Erroneous Refund – Paper Check or Direct Deposit
paper checktopicreturning