What is a W-2 tax form?

W-2 is Wage and Tax Statement. It's

an IRS form that employers must file for every employee from whom

income, social security, or Medicare taxes are withheld. There are

six copies of each W-2 form. The employer is required to keep one

copy for his records and to send one copy to the Social Security

Administration, one copy to state/city/local tax department, three

copies to the employee (one for the employee's federal return, one

for the employee's state return, one for the employee's

records).