Everything You Need To Know About Your W-2 Form

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When you earn wages or a salary from an employer, you’ll receive a W-2 form by Jan. 31 of the following year, which contains all the relevant information about your income that you’ll need for tax preparation purposes. Your employer will also send a copy to the Social Security Administration, which will match the information from your employer with the information you report on your tax return. In case you had more than one employer during the year, you’ll need to wait to receive all your W-2 forms before filing taxes for the year.

See: Lost Your W-2? Here’s What To Do

Here’s a guide to everything you need to know about a W-2 form.

What Is a W-2 Form?

Technically, a W-2 form is known as a Wage and Tax Statement. In addition to listing how much you earned and paid in taxes, it includes personal identifying information, such as your Social Security number and information about your employer, including its employer identification number.

Each section of a W-2 serves a specified tax-filing purpose. The IRS provides extensive instructions that are updated annually for the more complicated entries on the form.

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Read: How To Avoid Paying Taxes Legally — and the 11 Craziest Ways People Have Done It

What’s on a W-2 Form?

A W-2 is broken down into numbered and lettered boxes. Here’s a breakdown of each of the boxes you’ll see when you receive a W-2 form. Some are self-explanatory, and others need descriptions.

To better prepare for tax time, you should familiarize yourself with a W-2 so you can easily spot any errors you might find.

Lettered Boxes:

Six lettered boxes are present on a W-2 form. The boxes provide employer and employee information for the specific job held during the tax year. Here’s a breakdown of the lettered boxes on a W-2:

a) Employee’s Social Security number

b) Employer identification number, or EIN: assigned to individual employers for tracking by the IRS

c) Employer’s name, address and ZIP code

d) Control number: used by employers to identify specific W-2s; often unused

e) Employee’s name

f) Employee’s address and ZIP code

Check Out: Common Mistakes People Make When Filing Their Own Taxes

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Numbered Boxes:

Twenty numbered boxes are present on the W-2 form. The boxes contain an individual’s wage and tax information for a specific job held during the tax year. Here’s a breakdown of the numbered boxes on Form W-2:

1) Wages, tips and other compensation

2) Federal income tax withheld: all federal income taxes employer withheld

3) Social Security wages: amount of income subject to Social Security tax

4) Social Security tax withheld: all Social Security taxes employer withheld

5) Medicare wages and tips: amount of income subject to Medicare tax

6) Medicare tax withheld: all Medicare tax employer withheld

7) Social Security tips: tips subject to Social Security tax

8) Allocated tips: tips employer allocated to employee

9) Verification code

10) Dependent care benefits

11) Nonqualified plans

12) Codes: Box 12 has four sections, 12a, 12b, 12c and 12d. There is a space for a code in front of each entry. Here are what the codes mean if they appear

A — Any Social Security or Railroad Retirement Tax Act tax employer did not collect

B — Any Medicare tax or RRTA Medicare tax on tips employer did not collect

C — Taxable cost of any group-term life insurance coverage over $50,000 received

D — Elective deferrals under a 401k plan

E — Elective deferrals under a section 403(b) salary reduction agreement

F — Elective deferrals under a section 408(k)(6) salary reduction SEP

G — Elective deferrals and employer contributions to a 457(b) deferred compensation plan

H — Elective deferrals under a section 501(c)(18)(D) tax-exempt organization plan

J — Sick pay paid by a third party and not included in income because of contributions to sick pay plan

K — 20% excise tax on excess golden parachute payments

L — Reimbursements you receive for employee business expenses

M — Uncollected Social Security or RRTA tax on the taxable cost of more than $50,000 of group-term life insurance coverage for former employees

N — Uncollected Medicare tax on the taxable cost of more than $50,000 of group-term life insurance coverage for former employees

P — Excludable moving expense reimbursements paid directly to you; applies to members of the Armed Forces on active duty

Q — For members of the military, any nontaxable combat pay received

R — Employer contributions to an Archer MSA

S — Salary reduction contributions you made to a 408(p) SIMPLE plan

T — The amount you received or were reimbursed for qualified adoption expenses

V — Income from the exercise of nonstatutory stock options

W — Any employer contributions to a health savings account on your behalf

Y — Deferrals under a section 409A nonqualified deferred compensation plan

Z — Income under a nonqualified deferred compensation plan that fails to satisfy section 409A

AA — Designated Roth contributions under a section 401k plan

BB — Designated Roth contributions under a section 403(b) plan

DD — The amount of any employer-sponsored health coverage received

EE — Designated Roth contributions under a governmental section 457(b) plan

FF — Permitted benefits under a qualified small employer health reimbursement arrangement

GG — Income from qualified equity grants under section 83(i)

HH — Aggregate deferrals under section 83(i) elections as of the close of the calendar year

Check Out: W-2 vs. W-4: How To Manage Your Taxable Income

13) Check boxes: Your employer will check if any of the following apply: statutory employee, retirement plan or third-party sick pay. A statutory employee is an independent contractor who is treated by statute as an employee. Retirement plan is checked if you participated in a retirement plan through your employer. Third-party sick pay is checked if your employer is reporting sick pay received from a third party.

14) Catch-all box for payments made that don’t fall into any other category, such as state disability insurance taxes withheld, union dues, uniform payments or nontaxable income

15) Employer’s state ID number

16) State wages and tips

17) State income tax: all state income tax employer withheld

18) Local wages and tips

19) Local income tax: all local income tax employer withheld

20) Locality name: locality where local income tax was paid

Learn More: 5 Most Common IRS Tax Forms Explained

When Will I Get My W-2 Form?

If you’re wondering, “How do I get my W-2 form?” the answer is that the form should be sent directly to you from your employer. Most employees should expect to receive their W-2 by the end of January. If you haven’t received the form by the end of February, contact your employer and ask them to send it and double-check that they have your correct address on file.

You can also contact the IRS directly if you haven’t received your W-2 by the end of February, and the IRS will contact your employer on your behalf. To request assistance from the IRS in obtaining your W-2, call 1-800-829-1040, and be sure to have the following information:

  • Your name, address, Social Security number and phone number
  • Employer’s name, address, phone number and employer identification number, if you know it (check last year’s W-2 if you worked for same employer)
  • Employment dates

Your third option is to file Form 4852, Substitute for Form W-2.

Find Out: Most Popular Things To Do With Your Tax Refund — and How To Do It Smarter

Who Does and Doesn’t Get a W-2?

An employer must file a W-2 for every employee to whom they made payments for services performed by the employee, even if the employee is related to them, if:

  • The employer paid the employee $600 or more in wages
  • The employer withheld Social Security or Medicare tax from wages of any amount
  • The employer would have had to withhold income tax had the employee claimed an exemption from withholding on their Form W-4

In essence, most traditional employees who receive a paycheck also receive a W-2. Freelance workers and independent contractors generally receive a Form 1099-MISC  or Form 1099-NEC instead.

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Daria Uhlig and Gabrielle Olya contributed to the reporting for this article.

Last updated: Sep. 22, 2021

About the Author

After earning a B.A. in English with a Specialization in Business from UCLA, John Csiszar worked in the financial services industry as a registered representative for 18 years. Along the way, Csiszar earned both Certified Financial Planner and Registered Investment Adviser designations, in addition to being licensed as a life agent, while working for both a major Wall Street wirehouse and for his own investment advisory firm. During his time as an advisor, Csiszar managed over $100 million in client assets while providing individualized investment plans for hundreds of clients.

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