From time to time, you could be required to submit a proof of insurance letter. If someone has asked you to do this, it must come from your insurance company, or, in the case of a group health ...
What is an IRS Verification of Non-Filing Letter? An IRS Verification of Non-Filing Letter - provides proof that the IRS has no record of a filed Form 1040, 1040A or 1040EZ for the year you requested.