Proportionality and harmlessness.
In other words, for a human person to be legally responsible for the decisions he or she makes to carry out one or more actions, there must be discernment (full human mental faculties), intention (human drive or desire) and freedom (to act in a calculated and premeditated manner).
Transparency and explainability.
Transparency and explainability of AI systems are often essential preconditions for ensuring that human rights, fundamental freedoms and ethical principles are respected, protected and promoted.