Deu Deuteronomy, chapter Book of Deuteronomy, chapter 22
If its owner doesn't live near you, or if you don't know who it is, take the animal home with you and keep it until the owner comes looking, then you can return it.
If its owner doesn't live near you, or if you don't know who it is, take the animal home with you and keep it until the owner comes looking, then you can return it.