; and , and by adding after subparagraph (D) the following new subparagraph: (E) a qualified converted building to the extent of that portion of the basis which is attributable to qualified conversion expenditures. . (4) Section 50(b)(3) is amended by inserting , or, solely with respect to the qualified office conversion credit, an eligible educational institution (as defined in section 529(e)(5)) after section 521 . (5) The table of sections for subpart E of part IV of subchapter A of chapter 1 of such Code is amended by inserting after the item relating to section 48E the following new item: Sec. 48F. Qualified office conversion credit. . (d) Effective date The amendments made by this section shall apply to qualified conversion expenditures incurred after the date of enactment in taxable years ending after such date.