Deuteronomy 23:8-10

New Revised Standard Version, Anglicised Catholic Edition

⁸ The children of the third generation that are born to them may be admitted to the assembly of the Lord.

Sanitary, Ritual, and Humanitarian Precepts

⁹ When you are encamped against your enemies you shall guard against any impropriety.

¹⁰ If one of you becomes unclean because of a nocturnal emission, then he shall go outside the camp; he must not come within the camp.