It is true, and it is a bank policy, not immigration. I mentioned this with a photo of the notice from the bank and someone accused me of fabricating it 555.
you’d have to send the Foreign Insurance Certificate to the Canadian insurance company. Not sure if this line in the certificate would be a problem for insurance companies: “insured person is insured by health insurance in accordance with the law and regulations for foreigners who apply for the Non-Immigrant Visa Type O-A.” They may claim they don’t know.
I am not on a DTV but I was curious to see if these are easily handed out. I contacted the Thai embassy in Ottawa and inquired about a cooking course. They said it must be four to six months in duration- that’s all, one four to six month course for a five year DTV.