Once this return is complete, you will sign it and submit it for processing.  Please refer to the Form 720 Signature process as it is the same for the 8849 if you need detail.  There will never be a balance due on an 8849 so you can ignore those areas. 


Please Note:  A new Signature option is available now due to many working from home.  You can now print the signature document, send it to the authorized signer, scan it back in and attach it to the return.