Sorry - no version of Turbotax does a return for a 501(c)(3) org.
the form required to be filed by that org should have been specified in the determination letter you got or will get from theiRS if tax exempt status is approved after filing form 1023
this is generally of the 990 series. the return is due the 15th day of the 5th month after the close of its tax year (5/15 for calendar year)
