It’s getting to that time of year where hopefully you are cleaning your vendor master file and now, you’re wondering about your vendor data. Why do you have some that have missing tax id’s, why some didn’t pass your latest validation about IRS TIN records, and how you can ensure that you collect valid taxpayer identification number in the future. This IRS Form W-9 Series is for you – and in this episode we’re talking about common mistakes for vendors in that first tax classificati...