Web retailers, states tussle over tax rules - USATODAY.com

NEW YORK (AP) — In a big break for online shoppers, Web retailers generally don't have to charge sales taxes in states where they lack a store or some other physical presence.

Increasingly, states aching under the weight of the recession are seeking a way around that rule. Because companies like Amazon.com Inc. get help drumming up sales from online affiliates — people who link to products on their blogs, promote Web shopping deals and offer coupons — several states say the Internet retailers should charge sales taxes in states where those affiliates are based...