Gosystem help center an extremely user friendly database of information on each state/entity type’s electronic filing information. Using a simple dropdown, you may choose a state, then once loaded select the tab of the desired entity type. From here, you will be given a detailed list of information pertaining to that state’s e-filing contact information and filing details for that entity type.

We hope you find this a helpful, convenient resource for your future e-filing needs!

https://www.thomsonreuters.com/en-us/help/gosystem-tax-rs/e-file/efile-guide.html