Tiv Taam, kosher? Gaydamak says yesAs part of overhauling Tiv Taam into a kosher chain and one which is more attractive to the religious community, the Russian billionaire is planning to close the Tiv Taam chains on Shabbat and to open new branches in Jerusalem and Sderot.tiv taam 88 298(photo credit: Ariel Jerozolimski)