An administrator may negotiate and make arrangements with providers in compliance with the Act, and market and otherwise make available such arrangements to insurance companies, HMO's, limited health service organizations, health service corporations, fraternal benefit societies, self-insuring employers or health and welfare trust funds and to their subscribers; provided, however, that in performing these functions the administrator shall not accept any underwriting risk in the form of a premium or capitation payment for its services.
Ill. Admin. Code tit. 50, § 2051.230