The Bandera Nacional (The National Flag of Mexico) is a rectangle divided into three vertical stripes of identical measures, with the colors placed in the following order from hoist to fly: green, white, and red. Centered in the white stripe, the National Coat of Arms with a diameter of three fourths the wide of the white stripe. The proportion of the flag is four to seven. It could carry a rope or tie of the same colors bellow the truck.
A model of the National Flag, authenticated by the Three Union Power representatives, will remain stored in the 'Archivo General de la Naciуn' (General Archive of the Nation), and another in the 'Museo Nacional de Historia' (National Museum on History).
(Law on National Flag, Coat of Arms, and Anthem of Mexico (Diario Oficial de la Federaciуn February 8, 1984), Art.3)