The amendments to §§21.2801 - 21.2803, 21.2807 - 21.2809, and 21.2811 - 21.2817 of this title (relating to Scope, Definitions, Elements of a Clean Claim, Effect of Filing a Clean Claim, Effect of Filing Deficient Claim, Audit Procedures, Disclosure of Processing Procedures, Denial of Clean Claim Prohibited for Change of Address, Requirements Applicable to Other Contracting Entities, Electronic Adjudication of Prescription Benefits, Failure to Meet the Statutory Claims Payment Period, Date of Receipt, and Terms of Contracts), and new §§21.2804 - 21.2806, 21.2818, 21.2819, and 21.2821 - 21.2825 of this title (relating to Requests for Additional Information from Treating Preferred Provider, Requests for Additional Information from Other Sources, Claims Filing Deadline, Overpayment of Claims, Catastrophic Event, Reporting Requirements, Administrative Penalties, Applicability to Certain Non-Contracting Physicians and Providers, Applicability, and Severability) apply to services provided, or inpatient services beginning, under contracts entered into or renewed between an MCC and a preferred provider after October 4, 2003, and to services provided or hospital confinements beginning after October 4, 2003, by physicians and providers that do not have a contract with an MCC.