The most current and up-to-date Accounts Payable operations review and analysis based on the author's 20-year AP experience with major US corporations. From basic to complicated and elaborate procedures, from the traditional legacy systems to the ERP approach in the accounts payable processes. There are chapters on general AP functions such as AP policies and procedures, separation of duties, processing of form W-9 and new payee set up, data entry and payments processing. A more advanced material includes chapters about e-invoicing, web-procurement, interactive web response portals (IWRP), commercial cards management, T&E's processing, AP metrics, 1099, 1096 and 1042 reporting, ACH processing, Escheat, nonresident tax compliance and other AP processes. All important and relevant to the modern Accounts Payable topics are included in the book, as well as chapters on general accounting, payroll and advanced excel operations. The books offers critique of some outdated, but still used, AP approaches and practices and offers new ideas on how to interpret and handle them. This is the "real world" practical accounts payable book. It was written by a practicing accounts payable professional, Costa Levi Perepeliza, who has been managing the Accounts Payable compliance for a major US educational institution for the past ten years. This book is a manual and guide for the Accounts Payable and its place within your company's financial operations in the 21st century business environment. A must have reference for all accounts payable professionals, AP administrators and clerks, as well as CPA's, auditors, accounting executives and business owners.