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Tax Form 8453 Help

What is a Declaration Control Number (DCN)?

On the top of Form 8453 notice the Declaration Control Number (DCN). The DCN is a 14-digit number assigned by the ERO (Electronic Return Originator) to each return. The numbers all represent information as follows:

DCN Number Representation

1-2 File Identification Number (always "00")
3-8 Electronic Filer Identification Number (EFIN) (Assigned to EROs by the IRS when they are accepted into the program)
9-11 Batch number (000-999) assigned by the ERO
12-13 Serial number (00 - 99) assigned by the ERO
14 Year digit (for returns filed in 2007, the year digit is "7")

For example, if the EFIN is 509325, the Batch number is 000, and the serial number is 56, then the DCN is 00-509325-00056-7.

Different parts of the tax form 8453

Part I of the tax Form 8453 contains tax return information found on various sections of the tax form 1040.

Part II of the tax Form 8453 is a declaration of the taxpayer. You must check the box on line 6a, 6b, or 6c. If you check line 6c, you must ensure that the following information relating to the financial institution account is provided in the electronic portion of the tax return:

  1. Routing number
  2. Account number
  3. Type of account (checking or savings)
  4. Debit amount
  5. Debit date (date you want the debit to occur)
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