Amends the Pharmacy Benefit Managers Article of the Illinois Insurance Code. Provides that when conducting a pharmacy audit, an auditing entity shall comply with specified requirements. Provides that an auditing entity conducting a pharmacy audit may have access to a pharmacy’s previous audit report only if the report was prepared by that auditing entity. Provides that information collected during a pharmacy audit shall be confidential by law, except that the auditing entity conducting the pharmacy audit may share the information with the health benefit plan for which a pharmacy audit is being conducted and with any regulatory agencies and law enforcement agencies as required by law. Provides that a pharmacy may not be subject to a chargeback or recoupment for a clerical or recordkeeping error in a required document or record unless the pharmacy benefit manager can provide proof of intent to commit fraud or such error results in actual financial harm to the pharmacy benefit manager, a health plan managed by the pharmacy benefit manager, or a consumer. Provides that a pharmacy shall have the right to file a written appeal of a preliminary and final pharmacy audit report in accordance with the procedures established by the entity conducting the pharmacy audit. Provides that no interest shall accrue for any party during the audit period. Provides that an auditing entity must provide a copy to the plan sponsor of its claims that were included in the audit, and any recouped money shall be returned to the plan sponsor, unless otherwise contractually agreed upon by the plan sponsor and the pharmacy benefit manager. Defines terms.