Where a taxpayer seeks to challenge a corrected return issued by the Illinois Department of Revenue, the taxpayer’s testimony without corroborative evidence will not rebut the prima facie assumption that a corrected return is accurate.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Daniel J. Kubasiak.Chak Fai Hau, 73, is the sole proprietor and cook at Joye Chop Suey, a carryout-only Chinese restaurant in Chicago. Denise Berry, an employee at the Illinois Department of Revenue, was …