I've been meaning to do this for ages and, quite frankly, I think this should've been done in D&D a LONG time ago and should be included in the revision to stop all the damn bitching and moaning and arguments about it.
This is the best write-up I've seen of a paladin's code yet: Code of Honour
This is the best write-up I've seen of a paladin's code yet: Code of Honour