Software Developers

Specifications

YearGuide
2023Information Return 1099 E-Filing Guide
2023W-2 E-Filing Guide
2023MeF Handbook
2022Information Return 1099 E-Filing Guide
2022W-2 E-Filing Guide
2021Information Return 1099 E-Filing Guide
2021W-2 E-Filing Guide
2020Information Return 1099 E-Filing Guide
2020W-2 E-Filing Guide
2019Information Return 1099 E-Filing Guide
20192019 W-2 E-Filing Guide
2018Information Return 1099 E-Filing Guide
2018W-2 E-Filing Guide
2017Information Return 1099 E-Filing Guide
2017Other Substitute Returns Specifications (sales, withholding, etc.)
2017W-2 E-Filing Guide