, and by adding at the end the following new paragraph: (6) a transfer of an applicable partnership interest to which section 1061 applies. . (c) Clerical amendment The table of sections for part IV of subchapter O of chapter 1 is amended by striking the item relating to 1061 and inserting the following new items: Sec. 1061. Partnership interests held in connection with performance of services. Sec. 1062. Cross references. . (d) Effective date The amendments made by this section shall apply to taxable years beginning after December 31, 2017. 3315. Amortization of research and experimental expenditures (a) In general Section 174 is amended to read as follows: 174. Amortization of research and experimental expenditures (a) In general In the case of a taxpayer’s specified research or experimental expenditures for any taxable year— (1) except as provided in paragraph (2), no deduction shall be allowed for such expenditures, and (2) the taxpayer shall— (A) charge such expenditures to capital account, and (B) be allowed an amortization deduction of such expenditures ratably over the 5-year period (15-year period in the case of any specified research or experimental expenditures which are attributable to foreign research (within the meaning of section 41(d)(4)(F))) beginning with the midpoint of the taxable year in which such expenditures are paid or incurred. (b) Specified research or experimental expenditures For purposes of this section, the term specified research or experimental expenditures means, with respect to any taxable year, research or experimental expenditures which are paid or incurred by the taxpayer during such taxable year in connection with the taxpayer’s trade or business. (c) Special rules (1) Land and other property This section shall not apply to any expenditure for the acquisition or improvement of land, or for the acquisition or improvement of property to be used in connection with the research or experimentation and of a character which is subject to the allowance under section 167 (relating