If the return was already e-filed and was rejected, it could be because someone in your tax return is in the IRS database as having been covered by Marketplace insurance at some point during the year. If you do not have or did not think you needed Form 1095-A, please contact your state's Marketplace insurance to confirm whether anyone in your household was covered.
See the following link to find out more information about the Marketplace, and contact information for them:
