From a legal perspective, when considering the obligation of States to review new weapons before their deployment and use under Article 36 of [AP I], it is difficult to see how a weapon system that autonomously changes its own functioning could ever be approved, since what had been tested and verified at one point in time would not be valid for the future. See: ICRC, Autonomous weapon systems: Implications of increasing autonomy in the critical functions of weapons [Report of an expert meeting], 2016, p. 13 [https://www.icrc.org/en/publication/4283-autonomous-weapons-systems].
Ethics and autonomous weapon systems: An ethical basis for human control? Submitted by the International Committee of the Red Cross (ICRC) (3 April 2018) CCW/GGE.1/2018/WP.5, footnote 55