Where do you mail IRS form 8283?

You mail IRS Form 8283 to the address specified in the instructions for the form, which varies depending on whether you are filing it with your tax return or sending it separately. If you are filing it with your tax return, include it with your Form 1040 at the address for your state. If sending separately, it should be sent to the appropriate address listed in the IRS instructions. Always check the latest IRS guidelines for the most accurate mailing address.