Proposal to insert new section 4.2.10 defining human oversight and system controllability as complementary dimensions addressing the human-machine interaction layer and engineering design layer. The concept establishes that human oversight refers to the ability of natural persons to monitor, understand, intervene in, and override AI system outputs affecting safety, while system controllability refers to the ability of external agents to influence AI system behavior to prevent harm. For driving automation functions, human oversight and fallback vary with automation level as defined in SAE J3016 / ISO/SAE 22736. For non-driving safety functions, controllability may be achieved through audible or visual warnings, output degradation, or fail-safe behavior. System-level controllability measures include dedicated safety monitors, redundant model architectures, and structured fallback or fail-safe degradation strategies.