Règle correspondante
United Kingdom of Great Britain and Northern Ireland
Practice Relating to Rule 65. Perfidy
Section C. Simulation of being disabled by injuries or sickness
According to the UK Military Manual (1958), “it would be treachery for a soldier to sham wounded or dead and then to attack enemy soldiers who approached him without hostile intent”. 
United Kingdom, The Law of War on Land being Part III of the Manual of Military Law, The War Office, HMSO, 1958, § 115, footnote 2; see also § 311, footnote 1.
According to the UK LOAC Manual (2004), “the feigning of an incapacitation by wounds or sickness” is an example of prohibited perfidy, “if done with intent to betray the enemy’s confidence”. 
United Kingdom, The Manual of the Law of Armed Conflict, Ministry of Defence, 1 July 2004, § 5.9.2.