Yes, you can include this fee as an additional miscellaneous itemized expense subject to the 2% AGI limitation.
You
will need to go the Federal Taxes>Deductions and Credits>I'll choose what
I work on (or jump to full list)> scroll down to section - other
deductions and credits > other deductible expenses- select start or
update
- Generation-Skipping Taxes -
select "no"
- Less Common Expenses - select
"yes"
- Enter your additional
investment expenses here (see attached screenshot)