The Three Principles: 1. All actions obey orders 2. Never take things from the people, even one needle or thread 3. Everything captured should be handed to leadership.
The Eight Attentions: 1. Talk politely 2. Buy and sell fairly 3. Return what you borrowed 4. Pay for things you damage 5. No beating and scolding 6. Do not destroy crops 7. Do not play with girls 8. Do not bully the captured.
This useful information is drawn from EM Forster's Aspects of the Novel