Originally Posted by
nologic
My friend says she tried to buy alcohol (Chinese wine) at duty free at PVG to bring back to the US...she was flying UA from PVG-EWR-BOS, and the duty free people told her they couldn't sell her alcohol to bring to the US. Does this make any sense?
YES, not just PVG but all airports with direct flights to US territories.
US TSA rule applies to flights to US which does not permit carryon over 100ml.