Hi
There is no 1 year/6 month rule, please read: http://www.cbsa-asfc.gc.ca/E/pub/cm/d2-2-1/d2-2-1-e.pdf Section 14, which states:
14. However, in some cases, settlers wish to acquire goods
in other than their homeland (e.g., while they are en route to
Canada), and problems arise at the...