Quote Originally Posted by retched View Post
I did have those changes but I reverted all of those changes to barebones ZC 2.1.0 files. Trying to track down what else could I have changed.
Nope, it's (again) my bad. The current implementation of the encapsulated version "assumes" (falsely, obviously) that the state's base tax-rate is baked into the local sales tax rates.

An update is forthcoming.