Related Rule
Mexico
Practice Relating to Rule 29. Medical Transports
Mexico’s Army and Air Force Manual (2009), in a chapter on the 1949 Geneva Conventions, states: “The mobile medical units of the parties to the conflict in the field and fixed medical establishments must be respected and protected at all times. Vehicles used to transport the sick and wounded and medical supplies must be treated in the same way as mobile medical units.” 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 75.
In a section on the 1949 Geneva Convention I, the manual also states:
94. … mobile medical units of the medical service must not be attacked under any circumstances and must be respected and protected at all times by the parties to the conflict.
100. Land vehicles used for medical purposes (medical transports) must be respected and protected in the same way as mobile medical units.
101. Military medical vehicles that fall into the hands of the adverse party are subject to the laws of war, provided that the party to the conflict that captures them ensures the care of the wounded and sick being transported in them. 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, §§ 94 and 100–101.
Mexico’s IHL Guidelines (2009), in a section entitled “Basic rules of conduct in armed conflict”, states: “Do not attack medical vehicles … Ensure their protection. 
Mexico, Cartilla de Derecho Internacional Humanitario, Ministry of National Defence, 2009, § 14(i).
Mexico’s Army and Air Force Manual (2009), in a section on the 1949 Geneva Convention II, states:
Medical aircraft exclusively employed for the removal of the wounded, sick and shipwrecked and for the transport of medical supplies must be respected by the parties to the conflict, while flying at heights, at times and on routes specifically agreed upon between the parties to the conflict. Unless agreed otherwise, flights over enemy or enemy-occupied territory are prohibited. 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, § 129.
Mexico’s Army and Air Force Manual (2009), in a section on the 1949 Geneva Convention II, states:
121. Military hospital ships may not be attacked or captured under any circumstances and must be respected and protected at all times, provided that their names and descriptions have been notified to the parties to the conflict ten days before they are employed.
122. Hospital ships utilized by National Red Cross Societies, by officially recognized relief societies or by private persons are entitled to the same protection as military hospital ships.
123. Establishments ashore entitled to the protection of the Geneva Convention for the Amelioration of the Condition of the Wounded and Sick in Armed Forces in the Field must be protected from bombardment or attack from the sea.
128. Ships chartered to transport medical equipment and materials are authorized to transport supplies intended exclusively for the treatment of wounded and sick members of armed forces or for the prevention of disease. The adverse power reserves the right to board such ships, but not to capture them or seize the supplies that they are carrying. 
Mexico, Manual de Derecho Internacional Humanitario para el Ejército y la Fuerza Área Mexicanos, Ministry of National Defence, June 2009, §§ 121–123 and 128.