[Code of Federal Regulations] [Title 26, Volume 15] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR31.3231(e)-2] [Page 149] TITLE 26--INTERNAL REVENUE CHAPTER I--INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) PART 31_EMPLOYMENT TAXES AND COLLECTION OF INCOME TAX AT SOURCE--Table of Contents Subpart C_Railroad Retirement Tax Act (Chapter 22, Internal Revenue Code of 1954) Sec. 31.3231(e)-2 Contribution base. The term compensation does not include any remuneration paid during any calendar year by an employer to an employee for services rendered in excess of the applicable contribution base. For rules applying this provision, see Sec. 31.3121(a)(1)-1. [T.D. 8582, 59 FR 66191, Dec. 23, 1994]