Ill. Admin. Code tit. 86, § 105.220
c) An electronic return originator can write the software to transmit the formatted returns (software developer), purchase a software product to transmit (transmitter), or use a third-party transmission service that transmits.
AGENCY NOTE: An electronic return originator who transmits through a third party is not categorized as a transmitter.
Electronic filers can choose to perform all the functions associated with electronic filing and be electronic return originators, transmitters, and software developers or they can choose to use the services of another accepted electronic filer (third party) to participate in the electronic filing program. For example:
(Source: Amended at 24 Ill. Reg. 6582, effective April 10, 2000)