Withholding on basis of annualized wages

An employer to determine the amount of tax to be deducted and withheld upon a payment of wages to an employee for a payroll period by—

(A) multiplying the amount of an employee’s wages for a payroll period by the number of such payroll periods in the calendar year,

(B) determining the amount of tax which would be required to be deducted and withheld upon the amount determined under subparagraph (A) if such amount constituted the actual wages for the calendar year and the payroll period of the employee were an annual payroll period, and

(C) dividing the amount of tax determined under subparagraph (B) by the number of payroll periods (described in subparagraph (A)) in the calendar year.