located outside the United States, if such establishment constitutes the relocation of the business unit so eliminated. For purposes of the preceding sentence, a relocation shall not be treated as failing to occur merely because such elimination occurs in a different taxable year than such establishment. (2) Eligible expenses The term eligible expenses means— (A) any amount for which a deduction is allowed to the taxpayer under section 162, and (B) permit and license fees, lease brokerage fees, equipment installation costs, and, to the extent provided by the Secretary, other similar expenses. Such term does not include any compensation which is paid or incurred in connection with severance from employment and, to the extent provided by the Secretary, any similar amount. (3) Business unit The term business unit means— (A) any trade or business, and (B) any line of business, or functional unit, which is part of any trade or business. (4) Expanded affiliated group The term expanded affiliated group means an affiliated group as defined in section 1504(a), determined without regard to section 1504(b)(3) and by substituting more than 50 percent for at least 80 percent each place it appears in section 1504(a). A partnership or any other entity (other than a corporation) shall be treated as a member of an expanded affiliated group if such entity is controlled (within the meaning of section 954(d)(3)) by members of such group (including any entity treated as a member of such group by reason of this paragraph). (5) Operating expenses not taken into account Any amount paid or incurred in connection with the ongoing operation of a business unit shall not be treated as an amount paid or incurred in connection with the establishment or elimination of such business unit. (c) Special rules (1) Application to deductions for depreciation and amortization In the case of any portion of a specified outsourcing expense which is not deductible in the taxable year in which paid or incurred, such portion shall neither be chargeable to