The information required to do a good job in accounts payable today rivals that of any other financial or accounting function. In today's competitive environment, corporate America is looking for ways to cut costs, improve cash flow and productivity, so it is turning its eye to accounts payable. This is the first comprehensive book on running an effective A/P department. This second edition continues to provide accounts payable professionals with the guidance that they need to run a successful department. This edition picks up where the successful first edition left off (over 7800 copies sold since publication). New chapters discuss: (1) encryption and digital signatures, (2) electronic invoicing, (3) Purchase cards, (4) post audit firms, (5) petty cash, (6) vendor fraud, and (7) certification.