26 C.F.R. § 31.3101-2 Rates and computation of employee tax.
Title 26 - Internal Revenue
(a) Old-age, survivors, and disability insurance. The rates of employee tax for old-age, survivors, and disability insurance with respect to wages received in calendar years after 1954 are as follows: (b) Hospital insurance. The rates of employee tax for hospital insurance with respect to wages received in calendar years after 1965 are as follows: (c) Computation of employee tax. The employee tax is computed by applying to the wages received by the employee the rate in effect at the time such wages are received. Example. In 1972, employee A performed for employer X services which constituted employment (see §31.3121(b)–2). In 1973 A receives from X $1,000 as remuneration for such services. The tax is payable at the 5.85 percent rate (4.85 percent plus 1.0 percent) in effect for the calendar year 1973 (the year in which the wages are received) and not at the 5.2 percent rate which was in effect for the calendar year 1972 (the year in which the services were performed). [T.D. 7374, 40 FR 30947, July 24, 1975]
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)
Tax on Employees
§ 31.3101-2 Rates and computation of employee tax.
Calendar year Percent 1955 and 1956................................................ 21957 and 1958................................................ 2.251959......................................................... 2.51960 and 1961................................................ 31962......................................................... 3.1251963 to 1965, both inclusive................................. 3.6251966......................................................... 3.851967......................................................... 3.91968......................................................... 3.81969 and 1970................................................ 4.21971 and 1972................................................ 4.61973......................................................... 4.851974 to 2010, both inclusive................................. 4.952011 and subsequent calendar years........................... 5.95
Calendar year Percent 1966......................................................... 0.351967......................................................... .501968 to 1972, both inclusive................................. .601973......................................................... 1.01974 to 1977, both inclusive................................. 0.901978 to 1980, both inclusive................................. 1.101981 to 1985, both inclusive................................. 1.351986 and subsequent calendar years........................... 1.50
