Hawaii Releases EFW2 Specifications Guide for Tax Year 2020

Robert Beck
November 9, 2020

Hawaii recently released its Publication EF-10 EFW2 and EFW2C Format for Forms W-2 and W-2C. Some changes have been made to the document including formatting and some grammatical changes. The most notable of these changes are detailed below:

  • Under Methods of Transmission, the option to create an EFW2 file by converting a .txt extension to a Microsoft Excel file has been added.
  • Transmitting Test Files – Addition of Simple File Import (SFI) requires that SFI specifications from handbook be used.
  • References to Form HW-3 have been removed.

No other significant changes to the document were found and no changes were made to the actual specifications for this year.

To view the complete specifications, click here.

Sign up for Email Updates

Stay up to date with the latest tax and compliance updates that may impact your business.


Robert Beck

Robert Beck is a Junior Regulatory Counsel at Sovos Compliance. As part of the Regulatory Analysis team, his main areas of focus are state and federal tax withholding, and the Affordable Care Act (ACA). Robert is a member of the Massachusetts Bar and received his J.D. from New England Law | Boston and his B.A. in Justice from University of Alaska Fairbanks.
Share This Post