[U]nder IHL the right of the Parties to a conflict to choose methods or means of warfare is not unlimited. This is emphasised by the obligation on States, under Article 36 of Additional Protocol I to the Geneva Conventions, to determine whether the employment of a new weapon, means or method of warfare would, in some or all circumstances, be prohibited by IHL or by any other applicable rule of international law.
United Kingdom, Input to UN Secretary-General’s Report on Lethal Autonomous Weapons Systems (LAWS) (May 2024) 3
