# Railroad track maintenance credit.
**AGENCY:**
Internal Revenue Service (IRS), Treasury.
**ACTION:**
Correcting amendment.
**SUMMARY:**
This document contains corrections to final regulations (TD 9717) that were published in the *Federal Register* on Friday, April 3, 2015 (80 FR 18096). The final regulations are relating to the allocation of the credit for increasing research activities (research credit) to corporations and trades or businesses under common control (controlled groups).
**DATES:**
This correction is effective April 27, 2015 and applicable April 3, 2015.
**FOR FURTHER INFORMATION CONTACT:**
James Holmes at (202) 317-4137 (not a toll-free number).
**SUPPLEMENTARY INFORMATION:**
**Background**
The final regulations (TD 9717) that are the subject of this correction is under section 41 of the Internal Revenue Code.
**Need for Correction**
As published, the final regulations (TD 9717) contain errors that may prove to be misleading and are in need of clarification.
**List of Subjects in 26 CFR Part 1**
Income taxes, Reporting and recordkeeping requirements.
**Correction of Publication**
Accordingly, 26 CFR part 1 is corrected by making the following correcting amendments:
**26 CFR Part 1**
**PART 1—INCOME TAXES**
*Paragraph 1.* The authority citation for part 1 continues to read in part as follows:
**Authority:**
26 U.S.C. 7805 * * *
**26 CFR Part 1**
*Par. 2* Section 1.45G-1 is amended by revising paragraphs (f)(5) and (g)(4) and (5) to read as follows:
§ 1.45G-1
(f) * * *
(5) [Reserved]. For further guidance, see § 1.45G-1T(f)(5).
(g) * * *
(4) *Taxable years beginning after December 31, 2011.* [Reserved]. For further guidance, see § 1.45G-1T(g)(4).
(5) *Taxable years beginning before January 1, 2012.* [Reserved]. For further guidance, see § 1.45G-1T(g)(4).
Martin V. Franks,
Chief, Publications and Regulations Branch, Legal Processing Division, Associate Chief Counsel, (Procedure and Administration).