Allocation and Apportionment of Interest Expense

This document contains final regulations that provide guidance concerning the allocation and apportionment of interest expense by corporations owning a 10 percent or greater interest in a partnership, as well as the allocation and apportionment of interest expense using the fair market value method. These regulations also update the interest allocation regulations to conform to the statutory changes made by section 216 of the legislation commonly referred to as the Education Jobs and Medicaid Assistance Act (EJMAA), enacted on August 10, 2010, affecting the affiliation of certain foreign corporations for purposes of section 864(e). These regulations affect taxpayers that allocate and apportion interest expense.