The Illinois Commerce Commission is seeking a consultant auditor to review Commonwealth Edison Company's administration of Rider NS (Non-standard Services) over the past five years. The auditor will evaluate whether ComEd has applied Rider NS in a manner consistent with its approved tariff and assess the accuracy, transparency, and adequacy of the Company's related accounting practices, invoicing, and documentation. The audit must be completed within six months of initiation, and the final report will be filed as a compliance filing in ICC Docket No. 24-0378. • The scope of the audit includes a review of ComEd's system of financial and accounting procedures, internal controls, and practices related to Rider NS. • The audit will examine how line items on historical ComEd invoices correspond to the NS COST equation and NS RENT equation defined in Rider NS. • The auditor will evaluate whether ComEd has provided reasonable documentation to support each line item charged under Rider NS. • The audit will analyze whether ComEd failed to adhere to the tariff terms of Rider NS in its administration of Rider NS. • The auditor will assess ComEd's internal controls, how line items on each invoice align with the NS COST and NS RENT formulas, and analyze the records supporting the program.