Charles Ellicott Commentary 2 Chronicles 23:19

"And he set the porters at the gates of the house of Jehovah, that none that was unclean in anything should enter in." — 2 Chronicles 23:19 (ASV)

And he set. — Stationed, or appointed.

At the gates. —Or, over the gates. (See 1 Chronicles 23:5; 1 Chronicles 26:1–19.)

That none which was unclean ... should enter. —Compare 2 Chronicles 23:6, and Leviticus 5:7; Numbers 5:19; Deuteronomy 24:1–3; Deuteronomy 24:10–11.