State and local revenue (income) taxes

Again, there's no general rule that applies in every state and city. Sometimes all nonprofit income is exempt. Sometimes it matters how the income was earned, or what it's for. Sometimes the state or local rules parallel the federal tax statutes; sometimes they are completely different.

So I guess we need to establish what state VeriCoin is centralized in. That is hard to do however, as it doesn't reside anywhere.