וַיַּֽעֲשׂוּ־כֵן֙ בְּנֵ֣י יִשְׂרָאֵ֔ל וַיְשַׁלְּח֣וּ אוֹתָ֔ם אֶל־מִח֖וּץ לַֽמַּחֲנֶ֑ה כַּאֲשֶׁ֨ר דִּבֶּ֤ר יְהוָה֙ אֶל־מֹשֶׁ֔ה כֵּ֥ן עָשׂ֖וּ בְּנֵ֥י יִשְׂרָאֵֽל׃ (פ)
And the children of Israel did so, and put them out without the camp; as the LORD spoke unto Moses, so did the children of Israel.
Read halakhic rulings (Jewish law) on Numbers 5:4: and classical halakhic sources.