We all have friends but sometimes you are not sure if they will "have your back" when times get tough. And we may have wavered on our friends or group when they needed us.
That brings is to point #2 of the Code of Honor: Never Withdraw Allegiance Once Granted.
Allegiance is a strong word and the definition is: loyalty owed to one's country, loyalty to or support of a person or cause (Oxford American Dictionary).
Allegiance is not something that can be forced on or by someone. It has to be earned. But once earned, whether it is a person or group, keep your loyalty with them