Here the answers to your questions.
1. Correction
Yes, you can file correction our service. You can pay extra to file correction.
For example: You filed 1000 forms, 2 are with errors. You can pay 2 forms fee to file the correction.
2. Replacement
Yes, you can file replacement with our service. We will not charge if your transmission is rejected by IRS. You can submit the original transmission or replacement again.
3. We offer the step-by-step guide for replacement and correction.
When you file with us, you will receive the detailed error description if there is any issue. It is much easier to read than the IRS XML error message.
Learn more here
https://www.halfpricesof...g/1095/correcting-errors