5500 E-file: General Information

The DOL has mandated e-file capabilities to 5500 taxpayers through its EFAST2 system. This system uses a new architecture that is more efficient and scalable than previous e-file systems. Some of the new capabilities introduced with the EFAST2 system are as follows:

• uses XML to format return data and transmit to the IRS
• allows binary data (non-XML documents) to be transmitted to the Department of Labor in PDF format
• uses redesigned Business Rules (diagnostics)
• uses a standardized Acknowledgment File structure across all form types.

Topics

• 5500 E-file: About EFAST2
• 5500 E-file: EFAST2 User Types
  • EFAST2 Roles
  • User Types
  • Registering for EFAST2 Credentials
  • Non-transferability of Credentials
• 5500 E-file: Using the EFAST2 System
  • Filing Options
  • Delinquent or Amended Filings
  • Unique Numbers Assigned by the E-file System
  • Filing Deadlines and Extension Requests
• 5500 E-file: Forms Accepted by EFAST2
  • Forms and Schedules
  • Attachments
• 5500 E-file: Signing Filings
• 5500 E-file: User Responsibilities
  • Document Retention
  • Submitter Responsibilities

 

 

 

E-file/5500_ef_efast2_intro.htm/TY2020

Last Modified: 09/09/2019

Last System Build: 09/13/2021

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