shall not include any gain which is attributable to an intangible asset which is not an integral part of an Economic Freedom Zone business. (5) Related party transactions The term qualified capital gain shall not include any gain attributable, directly or indirectly, in whole or in part, to a transaction with a related person. For purposes of this paragraph, persons are related to each other if such persons are described in section 267(b) or 707(b)(1). (e) Sales and exchanges of interests in partnerships and S corporations which are Economic Freedom Zone businesses In the case of the sale or exchange of an interest in a partnership, or of stock in an S corporation, which was an Economic Freedom Zone business during substantially all of the period the taxpayer held such interest or stock, the amount of qualified capital gain shall be determined without regard to— (1) any gain which is attributable to an intangible asset which is not an integral part of an Economic Freedom Zone business, and (2) any gain attributable to periods before the date on which the a business qualifies as an Economic Freedom Zone business or after the date that is 4 years after the date on which such business no longer qualifies as an Economic Freedom Zone business due to the lapse of 1 or more Economic Freedom Zones. 1400V–4. Reduced payroll taxes (a) In general (1) Employees The rate of tax under 3101(a) (including for purposes of determining the applicable percentage under sections 3201(a) and 3211(a)(1)) shall be 4.2 percent for any remuneration received during any period in which the individual's principal residence (within the meaning of section 121) is located in an Economic Freedom Zone. (2) Employers (A) In general The rate of tax under section 3111(a) (including for purposes of determining the applicable percentage under sections 3221(a)) shall be 4.2 percent with respect to remuneration paid for qualified services during any period in which the employer is located in an Economic Freedom Zone. (B) Qualified services For purposes