The Law on the National Coat of Arms, Flag and Anthem (Spanish: Ley sobre el Escudo, la Bandera y el Himno Nacional) is a set of rules and guidelines passed by the Mexican government on the display and use of the flag (bandera), coat of arms (escudo) and the anthem (himno).
The original law was passed in 1984 and it contains 7 chapters, a preamble and a section that contains the lyrics of the national anthem.
Each article states that a copy of each symbol will be kept at the General National Archive (Archivo General de la Nación) and the National History Museum (Museo Nacional de Historia).
Consisting of two articles, this chapter describes how the coat of arms can be made or used.
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