If you are a third party service provider's clients do not need to be registered for electronic filing with the Department. There is no need to submit additional registration forms to the Department. In fact, unless the signatures on your original electronic filing application become invalid, there will never be another need for paper of any kind again. With the startup process complete, you are ready to file Sales and Use or Employer Withholding tax returns or make payments or combinations of return and payment electronically. When you retrieve your acknowledgment transmission, IN-S.I.T.E. will locate the original document and mark it as accepted or rejected.
Electronic filing is described in more detail in the program information guide.
The guide is available in Adobe Acrobat format for easy printing. To view and print documents in this format you must have the latest version of the Acrobat Reader which can be downloaded for free. Be registered with the Department as an electronic transmitter for the purpose of receiving secured password, mailbox, and PIN number assignments by the Department. The registration form is available online on the last page of the program information guide.