under section 42 or 47. . (c) Conforming amendments (1) Section 49(a)(1)(C) of the Internal Revenue Code of 1986 is amended by striking and at the end of clause (vii), by striking the period at the end of clause (viii) and inserting , and , and by adding after clause (viii) the following new clause: (ix) the portion of the basis of any qualified converted property attributable to qualified conversion expenditures under section 48F. . (2) Section 50(a)(2)(E) of such Code is amended by striking or 48E(e) and inserting 48E(e), or 48F(d) . (3) Section 50(b)(2) of such Code is amended by striking and at the end of subparagraph (C), by striking the period at the end of subparagraph (D) and inserting