H4 Visa - Multiple Or Single?

[mastaan]

Hi,
My wife recently got an H4 visa and came to the USA. I looked at her visa to find out whether it\'s Multiple or Single entry.. and it looks like this:

Entry:
M

I would like to assume M is for multiple.. but how can I be 100% certain?? We are planning a trip to Canada this Summer and and while coming back, I don\'t want to leave her behind.

 

[jaxen]

M is multiple . See your H1 visa stamp<EOM>

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