If you are interested in becoming a Nike-authorized retailer, please review the information below to determine if an application is your next step. NIKE's contract manufacturers buy raw materials for the manufacturing of our footwear, apparel and equipment products.Accounts Receivable (AR) entries will credit the selling account and debit the corresponding General Ledger's (GL) accounts receivable account control. The Contract AR system is system that allows departments to track the revenue that should be collected on an existing contract.