כִּ֠י אֵֽין־חֵ֤לֶק לַלְוִיִּם֙ בְּקִרְבְּכֶ֔ם כִּֽי־כְהֻנַּ֥ת יְהוָ֖ה נַחֲלָת֑וֹ וְגָ֡ד וּרְאוּבֵ֡ן וַחֲצִי֩ שֵׁ֨בֶט הַֽמְנַשֶּׁ֜ה לָקְח֣וּ נַחֲלָתָ֗ם מֵעֵ֤בֶר לַיַּרְדֵּן֙ מִזְרָ֔חָה אֲשֶׁר֙ נָתַ֣ן לָהֶ֔ם מֹשֶׁ֖ה עֶ֥בֶד יְהוָֽה׃
For the Levites have no portion among you, for the priesthood of the LORD is their inheritance; and Gad and Reuben and the half-tribe of Manasseh have received their inheritance beyond the Jordan eastward, which Moses the servant of the LORD gave them.’
Read halakhic rulings (Jewish law) on Joshua 18:7: and classical halakhic sources.