Found it!
Scroll down and look at the tariffs for Ch.95 & 97.
http://www.cbsa-asfc.gc.ca/trade-com...mod-2-eng.html
TFs should not invite duty, but mis-classification could affect that. Asking a retailer to mark your shipments,
"Ch.95 - SS 55 - Other"
is true, and is one classification that would avoiud duty.
