The whole "economic nexus" thing is complicated and varies from state to st ate. Looks like the Supreme Court opened a bit of a can of worms.
Here is what Maryland says about it...
"A marketplace facilitator that has an obligation to collect Maryland sales tax, sells or facilitates sales of tangible personal property into Marylan d, and processes payments on behalf of sellers must collect and remit sales tax on all sales made through the marketplace for delivery into Maryland. However, a marketplace facilitator and seller may ask for a waiver of this collection requirement if:
The marketplace seller is a publicly traded communications company; The marketplace facilitator and marketplace seller have an agreement th at the seller will collect and remit applicable taxes; and The marketplace seller provides the facilitator with evidence that the seller is licensed to engage in the business of an out-of-state vendor in M aryland
Non-collecting seller use tax reporting: No"
It seems the "marketplace facilitator" is the guy being held responsible un less they can prove the seller is the right guy. The "marketplace facilita tor" is someone like eBay or Aliexpress I believe.
What got me looking into this is the fact that Virginia and other states al ready require the collection of these taxes, but it seems Maryland is still not. They are a pretty heavy tax state, but they are a bit slow on the up take with this one. So my mail order stuff is being delivered to MD for th e interim.
Now if I can just find that aluminum kayak trailer before Maryland starts c ollecting.
Why are "publicly traded communications companies" exempt?
Oh yeah, this seems to even involve foreign companies. Does Aliexpress hav e any physical presence in the US??? Telling US companies have to cooperat e with all states is one thing, but foreign companies???