A Seller with a Project with an approved Bid must meet the creditworthiness requirements under the Indexed REC Contract within five (5) business days of the Illinois Commerce Commission decision on the results of the procurement event. A bidder that is not eligible for unsecured credit under the Indexed REC Contract must post cash or a performance assurance letter of credit by the deadline. If a bidder is relying on the creditworthiness of a guarantor that is eligible for unsecured credit, then a guaranty must be provided to Buyer by such deadline.