1. a) Except as otherwise specifically provided, the requirements of this Part apply to health plans, health care practitioners and institutional health care providers.
2. b) A health plan or provider of health care treatment shall not refuse to accept a claim or bill submitted on the uniform claim and billing forms defined in Section 2017.30 of this Part.
3. c) The adoption of uniform claim forms and uniform billing forms by the Director under this Part does not preclude a health plan, hospital, medical, or dental service corporation, or other prepayment organization from obtaining any necessary additional information regarding a claim from the claimant, provider of health care or treatment, or certifier of coverage, as may be required.

(Source: Amended at 20 Ill. Reg. 8497, effective June 5, 1996)