[Code of Federal Regulations] [Title 26, Volume 15] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR31.3101-1] [Page 15] 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 Subpart B_Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954) Sec. 31.3101-1 Measure of employee tax. Tax on Employees The employee tax is measured by the amount of wages received after 1954 with respect to employment after 1936. See Sec. 31.3121(a)-1, relating to wages; and Sec. Sec. 31.3121(b)-1 to 31.3121(b)-4, inclusive, relating to employment. For provisions relating to the time of receipt of wages, see Sec. 31.3121(a)-2. [T.D. 6744, 29 FR 8305, July 2, 1964]