"You have stated numerous times the 23% rate requires an act of Congress to change (either up or down, "
As I just pointed out to you - I've made no such statement so stop claiming that I have. What I stated was that Congress would have to act to change the GRR as the two entitlement proportions fall and more revenue is "left over" - otherwise the money would have no home.
I documented in post 475 you making that claim on 4 times on this thread. Why do you keep denying it. Do you have too much pride to admit you were wrong? I really don't understand you.