Related Rule
United Kingdom of Great Britain and Northern Ireland
Practice Relating to Rule 138. The Elderly, Disabled and Infirm
Section A. The elderly
The UK Military Manual (1958) provides: “The belligerents should endeavour to conclude local agreements for the removal from besieged or encircled areas of … old persons”. 
United Kingdom, The Law of War on Land being Part III of the Manual of Military Law, The War Office, HMSO, 1958, § 29.
The UK LOAC Pamphlet (1981) provides: “A local cease-fire may be arranged for the removal from besieged or encircled areas of … old persons”. 
United Kingdom, The Law of Armed Conflict, D/DAT/13/35/66, Army Code 71130 (Revised 1981), Ministry of Defence, prepared under the Direction of The Chief of the General Staff, 1981, Section 9, p. 34, § 3.