I am also having same issues.
We are strictly an Internet seller and are located in Sonoma County (95746).
A customer in Rohnert Park, CA (Sonoma county) was taxed 7.25% for state and 0.875% for county, but not the 0.50% Rohnert Park City tax.
The Sales Tax charged should have been:
0.25% Sonoma County
0.50% Rohnert Park City
1.875% Special District
I currently have the "auto tax calculator" checked for our store and our city, zip filled in for the state information line.
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