>Hello Foxperts,
>
>When designing an application that uses Sales Tax (United States), how do you design the table? What is the smallest unit of government that should be considered?
>
>For example: Most states have sales tax. Some counties add an extra tax. Do townships and cities also add more layers?
>
>What's been your experience?

Randy;

In California it comes down to the county level as far as I am aware, and my applications with tax tables reflect this. San Francisco is a "bit unique" in that it is both a city and county and less than fifty square miles.

Tom