Communaute de la Stricte Observance (CSO)
Paris, France
COMM
Look for the mark “COMM”
Listed
No major authority in our data endorses this listing — only rely on it if an authority you follow does, and check with your rav.
Strictly Orthodox community kashrut, Paris. Rav J.D. Frankforter.
How to use this safely: a listing here is not an endorsement. Only trust an authority if one you (or your community) already follow recognizes it — see the “endorsed by” tags above. Standards vary by community and by individual ruling, so always confirm with your rav.