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Amazon is (obviously).

https://affiliate-program.amazon.com/gp/associates/agreement

> In addition, if at any time following your enrollment in the Program you become a resident of Colorado, Illinois, North Carolina, Rhode Island, or Connecticut, you will become ineligible to participate in the Program, and this Operating Agreement will automatically terminate, on the date you establish residency in that state.

This same thing happened in Colorado a few months back, and I think California has a similar bill on the horizon

North Carolina, I think, is one of them.

!Oregon - there is no sales tax there.

Ssshh; Portland is already overrun with people who are online marketing experts... don't bring more of them.

Colorado