The following form types can be e-filed through the MeF Platform.Corporations (Forms 1120, 1120-F and 1120-S)Employment Tax (Forms 940, 940-PR, 941, 941-PR, 941-SS, 943, 943-PR, 944, and 945)94x Online Signature PIN Registration.Exempt Organizations (Forms 990, 990-EZ, 990-N, 990-PF, 990-T, 1120-POL and 4720)More items...•Jul 28, 2021