Article Comparison - Protocol on Prohibitions or Restrictions on the Use of Mines, Booby-Traps and Other Devices as amended on 3 May 1996
4. International signs for minefields and mined areas
Signs similar to the example attached  and as specified below shall be utilized in the marking of minefields and mined areas to ensure their visibility and recognition by the civilian population:
(a) size and shape: a triangle or square no smaller than 28 centimetres (11 inches) by 20 centimetres (7.9 inches) for a triangle, and 15 centimetres (6 inches) per side for a square;
(b) colour: red or orange with a yellow reflecting border
(c) symbol: the symbol illustrated in the Attachment, or an alternative readily recognizable in the area in which the sign is to be displayed as identifying a dangerous area;
(d) language: the sign should contain the word “mines” in one of the six official languages of the Convention (Arabic, Chinese, English, French, Russian and Spanish) and the language or languages prevalent in that area;
(e) spacing: signs should be placed around the minefield or mined area at a distance sufficient to ensure their visibility at any point by a civilian approaching the area.