26 C.F.R. § 31.3121(a)(6)-1 Payment by an employer of employee tax under section 3101 or employee contributions under a State law.
Title 26 - Internal Revenue
The term “wages” does not include any payment by an employer (without deduction from the remuneration of, or other reimbursement from, the employee) of either (a) the employee tax imposed by section 3101 or the corresponding section of prior law, or (b) any payment required from an employee under a State unemployment compensation law.
Title 26: Internal Revenue
PART 31—EMPLOYMENT TAXES AND COLLECTION OF INCOME TAX AT SOURCE
Subpart B—Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)
General Provisions
§ 31.3121(a)(6)-1 Payment by an employer of employee tax under section 3101 or employee contributions under a State law.