Mistakes can happen when filing 1099 or W-2 forms, whether due to incorrect amounts, missing information, or mismatched taxpayer details. The SSA allows businesses to correct or update originally filed W-2 information by filing a Form W-2C. Enter the original bad data on the left side ("Previously Reported") and the corrected data on the right side ("Correct Information"). The IRS also allows businesses to correct errors by filing updated forms, often categorized as Type 1 (amount or clerical errors) or Type 2 (name or TIN issues). Correcting errors promptly—by submitting a W-2C or corrected 1099 form and providing an updated copy to recipients—helps ensure accurate reporting, maintain compliance, and avoid potential IRS penalties.
When you file 1099 or W-2 forms, mistakes may happen (all those numbers and details!) Fortunately, fixing the most common types of errors can be quick and painless. Here’s a handy guide on to how to handle certain corrections on efile4Biz.com.
First, let's review the typical errors that arise with 1099 and W-2 tax reporting forms:
Type 1
Type 2
For Type 2 errors, please contact the IRS.
Type 1
Type 2
Now, here’s guidance on how to handle the errors covered above. By doing everything online, you’ll save considerable time and effort.
Once you have finished your corrected form check out and select “E-File, Print & Mail” and then we will print and mail a corrected form to the recipient, and e-file the correction with the IRS/SSA.
For any other Type 1 or Type 2 corrections on 1099s and W-2s, contact the IRS. If corrections are submitted after the IRS/SSA deadline, a penalty may be assessed, even if the original forms were timely filed.
You cannot change any information entered into a form once you have checked out and paid for our service until after the IRS has accepted the form. Once the IRS/SSA has accepted the form, you can make Type 1 (dollar amount) corrections for 1099 and W-2 forms. For ACA forms, you can make any needed correction but you must have filed the original with us.
If you submit a correction, remember to select e-file and delivery if you want a corrected copy mailed to the recipient.
Errors that require correction include incorrect payment amounts, missing or incorrect taxpayer identification numbers (TINs), wrong recipient names, or filing the incorrect form type. These issues must be corrected to ensure accurate reporting.
The IRS generally classifies errors into two categories:
For W-2 corrections, the SSA does not utilize numbered "Type" categories. Instead, errors are structurally divided based on whether you are correcting financial fields or identifying information. Furthermore, you do not reuse a standard W-2 form with a “Corrected” checkbox. You must file an entirely separate document called Form W-2C.
Corrections can only be submitted after the original return has been filed and accepted by the IRS or SSA. Attempting to correct a form before it is accepted will delay the correction process.
The correction process typically involves identifying the error type, preparing the corrected form, and resubmitting it through the same filing method and system used for the original return. The corrected form must also be provided to the recipient and filed with the appropriate agency.
Failing to correct errors can lead to IRS mismatches, penalty assessments, and potential notices. Timely corrections help maintain accurate reporting and reduce the risk of additional compliance issues.
Updated: 07/28/2026
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