Income Tax Withholding Table--Single Persons--Semimonthly Payroll Period (For Wages Paid in 2006). Summary: This table is to figure the amount of income tax an employer is to withhold based upon the employee's filing status (Single), payroll period (Semimonthly), the amount of wages, and the number of withholding allowances claimed (1 through 10). This section lists amounts for wages “At least” $0 to “But less than” 840.