Form W-2
Tax Withholding Calculator
Other
- Form W-4 - Employee's Withholding Allowance Certificate
- Arizona Form A-4 - Employee’s Arizona Withholding Percentage Election
- Arizona WEC - Withholding Exemption Certificate (Arizona Form WEC)
- Arizona WECI - Withholding Exemption Certificate Native American (Arizona Form WECI)
- FICA - The Federal Insurance Contributions Act (FICA)
Form W-4 - Employee's Withholding Allowance Certificate
Complete Form W-4 to figure the correct amount of federal income tax to have withheld from your paycheck. You may want to refigure your withholding each year if your tax situation changes.
Form Available on UAccess Employee - Form Deadline: Monday, 5:00 pm, pay week.
Arizona Form A-4 Employee’s Arizona Withholding Percentage Election
Arizona Revised Statutes (ARS) §43-401 requires your employer to withhold Arizona Income Tax from your compensation paid for services performed in Arizona for application toward your Arizona income tax liability.
Form Available on UAccess Employee - Form Deadline: Monday, 5:00 pm, pay week.
- New Employees should complete the form within the first five days of employment. If you do not submit a form, your withholding rate will automatically be set at 2.7%.
- Current Employees may complete the form to change their current withholding rate or extra amount withheld.
- Select only one option on the Form A-4 that applies to you:
- Option 1: Select your desired withholding rate. You may also include an additional withholding amount to be deducted from each paycheck.
- Option 2: Select this option only if you expect to have no Arizona tax liability for the current year.
- Click on the Submit button to update your Form A-4. The withholding will become effective on the next scheduled pay date.
Arizona WEC Withholding Exemption Certificate (Arizona Form WEC)
A nonresident employee who performs services for an employer within Arizona may claim an exemption from Arizona income tax withholding providing the following two requirements are met:
- The employee is a resident of, or domiciled in, one of the following states: California, Indiana, Oregon, or Virginia; and
- The employee is allowed a tax credit for income taxes paid to the employee’s state of residency or domicile pursuant to Arizona Revised Statute (ARS) §43-1096.
Form Deadline: Monday 5:00pm, pay week
Here's How:
- Complete Arizona Form WEC to claim an exemption from Arizona income tax withholding.
- Submit the completed and signed form to FSO Operations/Payroll, University Services Building, PO Box 210158, Rm 402. The withholding will become effective on the next scheduled pay date.
Arizona WECI Withholding Exemption Certificate Native American (Arizona Form WECI)
A tribal enrolled Native American employee who lives and is employed within an Indian reservation established for that tribe and thereby claims that no Arizona state income tax liabilities exist based on the decision by the Supreme Court of the United States in McClanahan vs. Arizona State Tax Commission, 411 U.S. 164, 93 S. Ct. 1257 (1973), may use this form to claim exemption from withholding.
Form Deadline: Monday, 5:00pm, pay week
Here's How:
- Complete Arizona Form WECI to claim an exemption from Arizona income tax withholding.
- Submit the completed and signed form to FSO Operations/Payroll, University Services Building, PO Box 210158, Rm 402. The withholding will become effective on the next scheduled pay date.
FICA
The Federal Insurance Contributions Act (FICA) is a payroll tax withheld from your pay for both Social Security (OASDI - Old Age Survivor and Disability Insurance) and Medicare (Hospital Insurance). Social Security (OASDI) is withheld on taxable gross income up to a certain wage limit each year, but there is no wage limit for Medicare withholding. The current rates of withholding are 6.2 percent for OASDI and 1.45 percent for Medicare. FICA Wage and Tax Limits are included in the table below.
FICA Limits
Year |
Annual Social Security Wage Base |
Social Security Tax Rate |
Maximum Annual Social Security Tax Withholding |
Annual Medicare Wage Base |
Medicare Tax Rate |
2012 |
$110,100 |
4.2% |
$4,624.20 |
No annual limit |
1.45% |
2011 |
$106,800 |
4.2% |
$4,485.60 |
No annual limit |
1.45% |
2010 |
$106,800 |
6.2% |
$6,621.60 |
No annual limit |
1.45% |
2009 |
$106,800 |
6.2% |
$6,621.60 |
No annual limit |
1.45% |
2008 |
$102,000 |
6.2% |
$6,324.00 |
No annual limit |
1.45% |
2007 |
$97,500 |
6.2% |
$6,045.00 |
No annual limit |
1.45% |
2006 |
$94,200 |
6.2% |
$5,840.40 |
No annual limit |
1.45% |
2005 |
$90,000 |
6.2% |
$5,580.00 |
No annual limit |
1.45% |
2004 |
$87,900 |
6.2% |
$5,449.80 |
No annual limit |
1.45% |
2003 |
$87,000 |
6.2% |
$5,394.00 |
No annual limit |
1.45% |
2002 |
$84,900 |
6.2% |
$5,263.80 |
No annual limit |
1.45% |
2001 |
$80,400 |
6.2% |
$4,984.80 |
No annual limit |
1.45% |
2000 |
$76,200 |
6.2% |
$4,724.40 |
No annual limit |
1.45% |
1999 |
$72,600 |
6.2% |
$4,501.20 |
No annual limit |
1.45% |
1998 |
$68,400 |
6.2% |
$4,240.80 |
No annual limit |
1.45% |
1997 |
$65,400 |
6.2% |
$4,054.80 |
No annual limit |
1.45% |
|
FICA withholding rules may differ based on employee types.
Student Employee Guidelines:
Internal Revenue Service Code Section 3121(b)(10), known as the "student FICA exception," excludes FICA tax withholding from wages paid to a student who is enrolled and regularly attending classes" at a college or university. The IRS regulations clarifying the student exception to FICA tax for students employed by a school, college, or university where the student is pursuing a course of study are available at: http://www.irs.gov/charities/article/0,,id=120663,00.html
Non U.S. Citizen Employee FICA Guidelines
Non U.S. citizen students and scholars in the following visa classifications: F-1, J-1, M-1 and Q-1 may be subject to special IRS FICA withholding rules.
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