Hawaii’s Simple File Import (SFI) on Hawaii Tax Online (HTO) Form EF-20, Hawaii Simple File Import Reporting Agent Registration (Rev. 2021) Publication EF-12, W-2 Simple File Import on HTO Publication EF-14, General Excise, Transient Accommodations, and Withholding Periodic Tax Returns (3/2021) Page Last Updated: May 4, 2021
