TurboTax doesn't support non-profit Form 990 returns. If youre not a 501 c3, what kind of non-profit are you?
registered as non profit but yet to apply 503 c3 status
Form 990 is for Non-profits, but TurboTax doesn't have a program that will prepare a 990, sorry.
irc 503 (?) get professional help 503 explains the requirements for exemption.
mess up you application for exemption and you will end of with an entity that is taxable. contributions won't be deductible