We live in Canada and do not know about the cheeses sold in the markets. Is it permissible to eat them?

Fatwa, posted 4.22.2010, from Iraq, in:
Religious Authority: 
Ali al-Sistanti
Website URL: 
http://www.sistani.org/
Fatwa Question or Essay Title: 
We live in Canada and do not know about the cheeses sold in the markets. Is it permissible to eat them?

It is permissible to eat cheeses except for those made with a yeast from the inner membrane of veal that is not slaughtered according to Islamic law.

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