Deuteronomy 20:9-11

New Revised Standard Version, Anglicised

⁹ When the officials have finished addressing the troops, then the commanders shall take charge of them.

¹⁰ When you draw near to a town to fight against it, offer it terms of peace. ¹¹ If it accepts your terms of peace and surrenders to you, then all the people in it shall serve you in forced labour.