I am the lone employee of a charitable trust and file a 990PF each year.  I have used ProSeries for 20+ years to prepare the 990PF and it is the only tax return that I prepare.  I have always mailed the completed return to the IRS, but this year I received a letter saying that I must efile - no paper returns!

Is there any way to efile without going through the hassle of applying to the IRS to become an authorized efile provider to submit one return.