I went through boaterexam.com
My card was getting very hard to read. Sent them a Photo copy and they reissued, bought 3 cards.
Like you got mine very early and they were no longer in business(at least I couldnt find them). So I went with boaterexam.com
Sorry dont know if you can just challenge, but you could contact and find out.
I found them quick on communications and good to deal with.
Hope that helps some.
https://www.boaterexam.com/canada/