Reference for Leviticus 14:47

וְהַשֹּׁכֵ֣ב בַּבַּ֔יִת יְכַבֵּ֖ס אֶת־בְּגָדָ֑יו וְהָאֹכֵ֣ל בַּבַּ֔יִת יְכַבֵּ֖ס אֶת־בְּגָדָֽיו׃

And he that lieth in the house shall wash his clothes; and he that eateth in the house shall wash his clothes.

BDB