2009 MISSOURI WITHHOLDING TAX FORMULA STEP 1—USING ANNUAL AMOUNTS 26 if you pay bi-weekly, 24 if you pay semi-monthly, or 12 if you pay monthly.) (Refer to Federal Publication 15 for questions con- cerning gross taxable income or federal withholding Note: The maximum federal income tax deduction tax.) for a married filer, spouse not working, is $10,000. If the spouse is working, the maximum limit should be 1. GROSS INCOME — Determine the employee’s total calculated using $5,000. wages for the payroll period. Multiply this amount by the number of payroll periods you have in a year. The Determine if the spouse is working by the check result is the employee’s annual wage. (Multiply by: boxes on Form MO W-4, Line 2. 260 if you pay daily, 52 if you pay weekly, 26 if you 5. MISSOURI TAXABLE INCOME — Subtract the total pay bi-weekly, 24 if you pay semi-monthly, or 12 if annual amounts of numbers 2, 3, and 4 from the total you pay monthly.) annual gross income of number 1. The result is the Note: If the employee has supplemental or overtime employee’s Missouri taxable income. pay, see the withholding procedures outlined below. 2. STANDARD DEDUCTION — Annual amount is: $5,700 if employee is single, $5,700 if employee is STEP 2 married and spouse works, $11,400 if employee is 1. MISSOURI WITHHOLDING TAX — Multiply the married and spouse does not work (this is determined employee’s Missouri taxable income by the applic- by the check box on Form MO W-4, Line 2, and is not able annual payroll period rate. Begin at the lowest a separate filing status), $8,350 if employee’s filing rate and accumulate the total withholding amount status is Head of Household. for each rate. The result is the employee’s annual 3. MO W-4 ALLOWANCES — Annual amount is: Missouri withholding tax. $2,100 for the first allowance and $1,200 for each 2. MISSOURI WITHHOLDING TAX PER PAYROLL additional allowance if employee is single or married PERIOD — Divide the employee’s annual Missouri and spouse works, $2,100 for the first allowance, withholding amount by: 260 if you pay daily, 52 if $2,100 for the second allowance (for the non- you pay weekly, 26 if you pay bi-weekly, 24 if you working spouse) and $1,200 for each additional pay semi-monthly, 12 if you pay monthly. The result allowance if the employee is married and spouse is the employee’s Missouri withholding tax per pay does not work; $3,500 for the first allowance and period. $1,200 for each additional allowance thereafter if the employee’s filing status is Head of Household. ROUNDING ON MISSOURI WITHHOLDING RE- PORTS. You must round the amounts that you withhold 4. FEDERAL WITHHOLDING — Determine the amount from your employees to the nearest whole dollar. of the employee’s total federal income tax withheld for the payroll period. Multiply this amount by the number of payroll periods you have in a year. The result is the Visit www.dor.mo.gov/tax to access employee’s annual federal income tax withheld. An our online withholding tax calculator. individual’s federal income tax deduction is limited to $5,000 ($10,000 if a combined return). These limita- tions should be applied on an aggregate basis. (Multiply by: 260 if you pay daily, 52 if you pay weekly, Supplemental Pay Withholding If the employee has supplemental or overtime pay, and the payment is included with normal wages, apply the withholding formula to the total payment as if it was a regular payroll wage payment. If the employee has supplemental or overtime pay and the overtime wages are paid separately from regular wages, you may withhold based upon one of the following two methods. • Withhold a flat percentage rate of 6 percent of the supplemental wages; or • Add the supplemental wages to the regular wages paid for the payroll period and apply the withholding formula to the total amount as if it was a regular payroll wage payment. Then subtract the tax already with- held from the regular wage payment and withhold the remaining tax from the supplemental payment.
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