By: Sherry Quam Taylor Founder, QuamTaylor LLC   When I started in nonprofit years ago I had no idea what a Form 990 was – all those numbers and check-boxes seemed like a lot of painful information for someone to fill out. Frankly, I didn’t understand what most of it meant. I’ve put off filing because of “more important” business and have admittedly filed a few extensions myself. But that was before I understood the importance of this little gem of a document. You want your donors to see you as a transparent partner, right? You want them to see...