For a more complete, understanding, the essence of legal liability is that it is important to define the principles on which it is based. The principles of any phenomenon reflected the deep, steady, regular connections, thanks to which it exists. Knowledge of the principles of responsibility can properly apply reasonable rules to resolve cases with gaps in the law, ensure the effectiveness of state and law enforcement. In juridical science are following the principles of legal liability: legality, justice and the inevitability of the onset, the appropriateness, the individualization of punishment, liability for ...