Related Rule
France
Practice Relating to Rule 138. The Elderly, Disabled and Infirm
Section A. The elderly
France’s LOAC Teaching Note (2000) provides: “Particular attention shall be paid to the protection of … the elderly.” 
France, Fiche didactique relative au droit des conflits armés, Directive of the Ministry of Defence, 4 January 2000, annexed to the Directive No. 147 of the Ministry of Defence of 4 January 2000, p. 4.
The Teaching Note further states: “Hospital zones are created, by mutual agreement between the belligerents, in order to protect from the effects of war … aged persons”. 
France, Fiche didactique relative au droit des conflits armés, Directive of the Ministry of Defence, 4 January 2000, annexed to the Directive No. 147 of the Ministry of Defence of 4 January 2000, p. 5; see also Manuel de droit des conflits armés, Ministère de la Défense, Direction des Affaires Juridiques, Sous-Direction du droit international humanitaire et du droit européen, Bureau du droit des conflits armés, 2001, p. 125.
France’s LOAC Manual (2001) provides: “The Parties to the conflict shall endeavour to conclude local agreements for the removal from besieged or encircled areas, of … aged persons”. 
France, Manuel de droit des conflits armés, Ministère de la Défense, Direction des Affaires Juridiques, Sous-Direction du droit international humanitaire et du droit européen, Bureau du droit des conflits armés, 2001, p. 64.