Simkr said:i got quite few overlapping time line. first i got for a year then they sent a sticker with 4 years, which experired last dec 2014. in this period i i got 2 card with overlapping time time line. the one i brought to test/interview was issued on sept 2014 with one year expiry. i should have brought all of my card. i should have more proactive i thought i have everything to prove of my residency. nobody in forum reported anything about health card during interview.
send them what you have, the letter from sask health, and if you can submit medical appointments (sask health does that as well) - not sure what it is called but it lists all your medical appointments and benefits paid... its too late for the CBSA letter...
you should be fine, do not overthink it.