IRS ACA Error: SSN Mismatch

How to address the "SSN Mismatch" error from the IRS in response to your ACA data submission. (Error Codes 1095C-010-01 or Shared-008)

SSN Mismatch (1095C-010-01 or Shared-008)


    • Identify the cause of the error. 
      • Check your records to verify that all names and SSNs were entered correctly.
      • Contact the employee to validate their Name and SSN combination (as well as those for any Spouses or Dependents that are considered Covered Individuals.
      • Submit an SSN Verification request to the SSA
    • Correct the error in Fuse.
      • If the Error is for the employee (code 1095C-010-01):
        • Update the SSN and/or Name in Fuse to match the IRS database
      • If the Error is for a Dependent (Spouse or Child) (only applies if your company is self-insured) (code Shared-008):
        • Update the SSN and/or Name in Fuse to match the IRS database
        • If you are unable to identify the error or confirm the info with the employee, delete the SSN(s) for the Dependent(s) and enter the applicable date of birth (DOB)
          • If both the SSN and DOB are already entered, delete just the SSN(s) from the Dependent(s)
          • You may need to update the "required" settings within your applicable Medical Benefits Plan(s) before you are able to delete SSNs
      • In addition to updating the employee and/or dependent records in Fuse, you will also need to update the same information on any Form 1095-C that needs to be corrected.
    • What if you cannot fix the Error(s) or find no Error(s) when verifying the data?
      • In many cases, you will find that your data is correct based on your research, in contrast to the IRS database, or you were not able to either verify or get corrected information.
        • In these situations, make sure to thoroughly document your process to avoid and/or contest potential fines or penalties from the IRS at a later date
      • The IRS has compiled a regulations and requirements document to help employers avoid these errors: https://www.irs.gov/pub/irs-pdf/p1586.pdf
        • In summary, it offers a three-solicitation rule over a period of a couple of years.
          • Request the Employee and Covered Individuals’ Social Security numbers (or other TINs) at the individual’s first enrollment.
          • If you do not receive the SSN, make the second request at a reasonable time thereafter.
          • If SSNs are still not provided, make a third request by December 31 of the year following the initial request.
            • You are not required to solicit an SSN from an individual whose coverage is terminated.