You may want to call Schwab and ask them on what tax form are they going to report the payment and who will be the payer, or just wait until next January to see what they send to you. You could then treat it on your tax return in a manner consistent with the Schwab information.
In the meantime, have a wonderful lunch (or champagne brunch)!
I don't see any problem with what you are saying. The SB will report the name of actuary and company signing the SB, which software you use to file the form doesn't matter.