I have an update. The workaround suggested by other users (where you
request a new account number from your rep and have that number set up
with the flat rates only) will not work. According to UPS because no
account number is needed to access the pr...
Under the "Package" dropdown, could ShipStation just add the Simple Rate
sizes (XS, S, M, L, XL) and pricing as packages just like they have the
various UPS Express Boxes and Letter added as packages? The Simple Rate
is just like those other flat rat...
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