What you need to know about electronic excise products Form 8849, Schedule 3, Line 2, Biodiesel or Renewable Diesel Mixture Credit, is supported with a binary attachment. Form 8849, Schedules 1, 2, 3, 5, 6, and 8 will now be supported by the IRS' Excise Tax e-File and Compliance (ETEC) Program through the Modernized e-File (MeF) platform. Excise Hotline - Please do not contact the e-Help Desk for tax related matters. If you need assistance with a taxpayer/business needing guidance on a tax related matter, you/they may call the Excise Hotline at 866- 699-4096 Monday thru Friday, 6 a.m. until 6 p.m., Eastern Standard time. Empty payment vouchers should not be forwarded when processing excise returns. This causes the system to "hang" at EFTPS, could delay processing of the return, may generate a NOTICE to the taxpayer or transmitter, and requires manual intervention to correct the problem. Changes in your programs should be tested with the IRS before sending in production returns. You may avoid unnecessary rejects by testing your changes. Contact the e-Help Desk at 866-255-0654, Monday through Friday, 6:30 a.m. - 6 p.m. (Central Standard Time). Name Controls may be difficult for some taxpayers to determine. Name Control instructions can be found in Publication 4164, Modernized e-File (MeF) Guide for Software Developers and Transmitters, Exhibit 4. If any ETEC Program Form continues to reject because of a Name Control error, taxpayers can call the Business and Specialty Line at 800-829-4933 to verify the correct Name Control. Duplicate & Amended Returns - To avoid duplicate return processing, DO NOT issue a new submission ID when you resubmit a return. DO check the 'amended return box' when submitting an amended return Stay tuned for additional updates Stay informed with the latest in MeF systems status updates at the MeF Status Page.