Aleck income tax return was rejected, IRS reject codes indicated his ssn had already been used. What is the procedure for Aleck to have the IRS put an indicator on his tax records for questionable activity. report the identity theft to the federal trade commission at www.identitytheft.gov. contact the IRS identity protection specialized unit toll free at 18009084490 within 1 day. contact one of the major credit bureaus to place a fraud alert on his records. complete form 14039.