§ Article 4 - Shape
§ The distinctive emblem (red on a white ground) shall be as large as appropriate under the circumstances. For the shapes of the cross, the crescent or the lion and sun, the High Contracting Parties may be guided by the models shown in Figure 2.
§ Article 5 - Use
§ 1. The distinctive emblem shall, whenever possible, be displayed on a flat surface, on flags or in any other way appropriate to the lay of the land, so that it is visible from as many directions and from as far away as possible, and in particular from the air.
§ 2. At night or when visibility is reduced, the distinctive emblem may be lighted or illuminated.
§ 3. The distinctive emblem may be made of materials which make it recognisable by technical means of detecting. The red parts should be painted on top of black primer paint in order to facilitate its identification, in particular by infrared instruments.
§ 4. Medical and religious personnel carrying out their duties in the battle area shall, as far as possible, wear headgear and clothing bearing the distinctive emblem.