: The federal tax ID assigned to the employer.
: Optional internal tracking number used by some employers. W2 Form 2012
Page 4. a Employee's social security number. OMB No. 1545-0008. b Employer identification number (EIN) c Employer's name, address, IRS (.gov) : The federal tax ID assigned to the employer
: Total Social Security tax deducted (typically 6.2% for 2012). W2 Form 2012
: The worker's legal name.
: Current mailing address for the worker. Wages and Tax Withholdings (Boxes 1–10)
: Total Medicare tax deducted (typically 1.45%). 7. Social security tips : Tips reported by the employee.