Reference for Leviticus 14:23

וְהֵבִ֨יא אֹתָ֜ם בַּיּ֧וֹם הַשְּׁמִינִ֛י לְטָהֳרָת֖וֹ אֶל־הַכֹּהֵ֑ן אֶל־פֶּ֥תַח אֹֽהֶל־מוֹעֵ֖ד לִפְנֵ֥י יְהוָֽה׃

And on the eighth day he shall bring them for his cleansing unto the priest, unto the door of the tent of meeting, before the LORD.

BDB