《睡虎地秦墓竹简·其于部分·法律答问》
成例，向他人强行索取人质的人应论罪，把人质给人的人不论罪；双方同意抵押的，把人质给人的人也要论罪。
實官戶關不致，容指若抉，廷行事貲一甲。
By precedent, a person who forcibly demands a hostage from another should be charged with a crime, but the person who gives up the hostage should not be charged with a crime; if both parties agree to pledge, the person who gives up the hostage should also be charged with a crime.