Black Radish - Canadian seed standard

In Canada Black Radish seeds offered for sale must be graded. Each package shall meet and shall be labelled with prescribed grade in Table XIX of the Seeds Regulations.
(http://laws-lois.justice.gc.ca/eng/regulations/C.R.C.%2C_c._1400/index.html).
On retail side you most likely meet only common seeds (equivalent to VNS in USA - variety not specified). There are 2 grades for such seeds - Canada No.1 and Canada No.2 .

For small retail packages there is no requirements to label with lot number, year when seed were packaged, and weight of seed as well as germination and number of weeds. The following package is labelled as "Canada2". Most likely it stands for grade Canada No.2.