Posts: 16,948 +5,706
Are you so self involved or oblivious that you think it will be difficult for ANY retailer, large or small, to have access to a national data base of retail sales tax rates?If they did, there would be no need for Congress to make such a law requiring them to do so. As an example, Newegg has no location in Arizona, but it will now be required to know Arizona sales and use tax law in order to sell me something, even though it is based in California. Of course, Newegg has customers in every state so it will need to know the sales and use tax laws of any state it sells in that has sales and use tax. If you think that has no impact on Newegg's business you are dangerously naive.
For God's sake, Google can return millions of results in a split second on almost any random query.
Now, exactly how hard would it be to provide a data base of state and local tax rates, then cross index it with the buyer's shipping address and/or Zip Code?
You could probably do that function free using SQLite for the data base software.
Let's take Philadelphia PA as an example. First PA (the entire state) has a retail sales tax of 6%. Philadelphia has a 2% excise tax on top. If we've been following along, that means 8% would be added to your purchase.
Now, the entire city of Philadelphia's Zip Code has the prefix "191". So every address in PA with that prefix (191), would be billed 8% sales tax.
And look, I figured that out without the benefit of a server farm or data base.
I'm reasonably sure that each sales tax collecting entity has a single address for its collections. and then we cross index.....