On Tue, Oct 18, 2011 at 9:25 PM, Brian Cummiskey <brian at hondaswap.com> wrote: > Hook into and pay for an API. > > http://www.serviceobjects.com/products/commerce/fasttax > > It's the simplest thing to do and you don't have to maintain any data or > rates locally. And yet apparently still not 100% definitive: "By examining the WSDL, you may see that the service can return multiple tax rates (multiple TaxInfo results). This is because at the zip code level, it is possible that there may be additional matches found. Zip codes can border multiple cities and counties and each might have a different tax rate. It is important to consider all of the results since any of them may be the correct one."[0] The Heisenberg's Tax Uncertainty Principle. Shoot me now. [0] <http://www.serviceobjects.com/devguides/DOTS_FastTax.pdf> -- Hassan Schroeder ------------------------ hassan.schroeder at gmail.com http://about.me/hassanschroeder twitter: @hassan