What's A 527, Anyway? A Primer August 7, 2008 The Secret Money Project is an ongoing investigation into the role that independent groups will play in this year's presidential and congressional races. The law does not hold these groups accountable in the same way as it does candidates or political parties. In many cases, the source of the groups' money remains secret. Here, a primer on the who, what, when, where and how of independent groups.