Kathleen M. Lach represents clients before a variety of different tax authorities, including the Internal Revenue Service, the Illinois Department of Revenue, and the Illinois Department of Employment Security. Kathleen represents both businesses and individuals in income tax, sales tax, and penalty controversies, and in IRS audits, and liability settlement negotiations. She has represented a number of individuals before the IRS on innocent spouse claims, and in offshore voluntary disclosure cases. Kathleen has had cases pending before the U.S. Tax Court, U.S. District Court, and before IRS and state administrative agencies.