Tevillas Keilim Issues (Kosher Classes 76)
Rabbi Dovid Cohen
Tevillas Keilim Issues: Klei sechorah; Tevillah before it is required - houseware store, present, restaurant; Dish rental business; Electrical devices; Partnership with a non-Jew; Cannot be toiveled without ruining it; Dishes which didn't have tevillah; Ger; Mumar. See seforim by Rabbi Cohen at www.kashrushalacha.com