Deuteronomy 23:11-13

New King James Version

¹¹ But it shall be, when evening comes, that ^(A)he shall wash with water; and when the sun sets, he may come into the camp.

¹² “Also you shall have a place outside the camp, where you may go out; ¹³ and you shall have an implement among your equipment, and when you sit down outside, you shall dig with it and turn and cover your refuse.