Numbers 5:3,4
Both male and female shall you put out, without the camp shall you put them; that they defile not their camps, in the middle whereof I dwell.
Torrey's Topical Textbook—AKJV

Deuteronomy 23:14
For the LORD your God walks in the middle of your camp, to deliver you, and to give up your enemies before you; therefore shall your camp be holy: that he see no unclean thing in you, and turn away from you.
Torrey's Topical Textbook—AKJV