case of more than one railcar subject to the same lease, within 3 months after the date the final railcar is placed in service and the time the last railcar is placed in service does not exceed 12 months), and (C) the user of such railcar after the last sale during such 3-month period remains the same as when such railcar was originally placed in service, such railcars shall be treated as originally placed in service not earlier than the date of such last sale. (5) Entities owned or controlled by state-owned enterprises ineligible No credit under subsection (a) shall be allowed to any taxpayer that would be ineligible for an award of a contract or subcontract under 49 U.S.C. 5323(u) . (e) Termination This section shall not apply to any qualifying railcar replacement and modernization amount after the date that is three years after the date of the enactment of this section. . (b) Credit allowed as business credit Section 38(b) of the Internal Revenue Code of 1986 (relating to current year business credit) is amended by striking plus at the end of paragraph (40), by striking the period at the end of paragraph (41) and inserting , plus and by inserting at the end thereof the following new paragraph: (42) the freight railcar modernization credit determined under section 45BB. . (c) Coordination with section 55 Section 38(c)(4)(B) of the Internal Revenue Code of 1986 is amended by redesignating clauses (x), (xi), and (xii) as clauses (xi), (xii), and (xiii), respectively, and by inserting after clause (ix) the following new clause: (x) the freight railcar modernization credit determined under section 45BB, . (d) Clerical amendment The table of sections for subpart D of part IV of subchapter A of chapter 1 of the Internal Revenue Code of 1986 is amended by inserting after the item relating to section 45AA the following new item: Sec. 45BB. Freight railcar modernization credit. . (e) Effective date The amendments made by this section shall apply to property placed in service, and amounts paid or incurred, after