Instructions for the preparation of the Receivables Summary Report are in the. Accounts Receivable On-Line Application User's Guide.In this lesson, you learned: • Set up and Maintain Customers. • Generate Bills and Create Receivables. Learn how to record retention receivable and payable, and why it can be essential for your construction business. Each organization should seek legal, accounting, and other similar professional services from competent providers of the organization's own choosing. Ellucian. An accounts receivable purchase agreement is a legally binding contract that governs the purchase of accounts receivable between parties in a specific location. Customer Billing Specialist and Customer Contract Specialist can perform all the above steps. Create Customer. Invoice. All revenue contracts must first be entered in the Contracting System.