How do I correct errors on previously filed reports?
To correct a quarterly wage report that has been submitted, you must file a wage adjustment report. Corrections or adjustments can be filed online (if the report to be adjusted was filed online) or by submitting Adjustment Report forms. File an online wage adjustment report by logging on to Unemployment Tax Services, select the Report Filing (C3) tab, select the Wage Adjustment Report link, and then select the quarter report period to be adjusted or download Adjustment Report (Form C-5) or Wage List Adjustment Schedule (Form C-7) from the Tax Forms and Instructions page.