If you've read the What is a 501(c)(3)? kit, you know there's a difference between forming a nonprofit corporation at the state level and getting 501(c)(3) recognition from the IRS. Most founders get the first part right and trip on the second.

But the mistake I see most often isn't a paperwork mistake. It's a structural one. And it happens before the founder ever files anything.

The mistake: building a board that's mostly family, friends, or paid staff

Three of the five board members are the founder, their spouse, and their college roommate. Or the board is technically three people but two of them are paid employees. It feels efficient. The people you trust most are around you. Meetings are quick.

The IRS sees something different. On Form 1023, you have to disclose every related-party relationship. On Form 990 every year after that, you have to disclose every one again. A board dominated by insiders is the single biggest signal to the IRS that decisions about pay, contracts, and policies aren't being made at arm's length. It slows down your application. It invites scrutiny. And in the worst case, it justifies revoking your status.

The bar isn't high, but it's specific

Aim for at least three voting board members, with the majority unrelated to each other AND unrelated to anyone you're paying. That's the structural foundation everything else sits on.

One thing to do this week Open a blank document. Write down the names of every person you're considering for your board. Next to each, note their relationship to you (spouse, cousin, college friend, coworker, neighbor) AND whether they're paid by the org or stand to be. If your "majority of unrelated, non-paid" math doesn't work, list two or three people you respect from outside that circle. Reach out to one of them this week with a 15-minute coffee invite.

This is the slowest-moving fix in the whole formation process. Better to start it now, before you file anything, than to scramble during an IRS audit later.

The full deeper read on this and other common pitfalls is in the Common Pitfalls kit of the free Starter Kit. It includes a quick self-audit to spot where you're exposed.