Billing details – Describe what information your invoices must include, such as detailed descriptions of the services performed or fees charged, contact. Accounts Receivable Checklist.Selling a good or service? WashU's controls over Customer Accounts Receivable includes the following procedures: If a Customer Invoice related check is sent directly to the department. In order to proceed with the selected Billing option, WG must appropriately set up the Supplier. This position will be a 6month contract that is fully onsite at the client location. Is your business in need of accounting support? Ms. Ayub is an attorney licensed to practice in Texas. Generate and send out customer invoices, credit memos, and statements. Use this form if you are administrative or fiscal staff needing to manage accounts receiveable contracts (revenue).