The rules say that a bank letter is valid for 7 days. But we went to CM on the 7th day and were refused. They said that the letter expires ON the 7th day. ... so only valid for 6 days.
it is an exemption so go with your previous visa stamp - for example I was on a toursit visa and the the covid exemtion so I say I am on a tourist visa (most recent visa stamp)
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