[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: 26CFR31.3111-4] [Page 20] 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 B_Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954) Sec. 31.3111-4 Liability for employer tax. The employer is liable for the employer tax with respect to the wages paid to his employees for employment performed for him.