A 501(c)(3) nonprofit isn’t supposed to engage in partisan activity.
Excerpt
…A New York Times article this week confirmed a political reality that Republicans have been slow to publicize: Democrats are openly abusing charities to stack voter rolls in their favor. … Read closely and you notice the story is entirely about Democrats, confirming a longstanding scheme by which foundations and private donors funnel tax-exempt dollars into “charities” that microtarget and register Democratic voters.