What About a "No-PO, No Pay" Policy?

A question posed to IOFM rather frequently concerns a "no-PO, no pay" policy. Is it feasible? Should my organization implement one? Are there inherent problems? We asked IOFM Senior Trainer Judy Bicking her thoughts on the matter. "I understand wanting a no-PO, no pay policy," she says, "but does this serve all the different types of invoices AP must pay? I have not found a company that has a true no-PO, no pay policy without exceptions. And exception processing gives the wrong message and…