Theresa also has deep experience with California-specific issues, such as California income taxation of businesses, trusts, and individuals, sales and use taxes, and property tax. A significant portion of Theresa's practice is dedicated to helping clients resolve tax controversy and litigation matters with the Internal Revenue Service (IRS), the California Franchise Tax Board (FTB), and the City of Los Angeles. Theresa represents individuals, businesses, and nonprofit organizations in all stages of tax disputes, including audits, administrative appeals, refund actions, collection disputes, and litigation in state and federal courts.