We frequently counsel clients on significant multistate tax controversy, planning and compliance matters arising in the context of income/franchise, sale/use, gross receipts, payroll and other taxes. In the income/franchise tax area, we regularly address nexus, state conformity to federal income tax provisions, apportionment, composition of the combined reporting group, distinguishing business and nonbusiness income, and applicability of state credit provisions, in the sales/use tax context, we have provided assistance with taxability determinations, nexus and applicability of exemptions.