וַיַּקְהֵ֨ל עֲלֵיהֶ֥ם קֹ֙רַח֙ אֶת־כָּל־הָ֣עֵדָ֔ה אֶל־פֶּ֖תַח אֹ֣הֶל מוֹעֵ֑ד וַיֵּרָ֥א כְבוֹד־יְהוָ֖ה אֶל־כָּל־הָעֵדָֽה׃ (פ)
And Korah assembled all the congregation against them unto the door of the tent of meeting; and the glory of the LORD appeared unto all the congregation.
Read halakhic rulings (Jewish law) on Numbers 16:19: and classical halakhic sources.