The Norma Oficial Mexicana (Official Mexican Standard), abbreviated NOM, is the name of each of a series of official, compulsory standards and regulations for diverse activities in Mexico. They are more commonly referred to as ''NOMs'' or ''normas''. The standards are prepared by the ''Dirección General de Normas (DGN)'' (Directorate-General of Standards), which is the body representing Mexico in the

International Organization for Standardization The International Organization for Standardization (ISO ) is an international standard development organization composed of representatives from the national standards organizations of member countries. Membership requirements are given in Ar ...

(ISO).

Examples

Tequila

In the case of

tequila Tequila (; ) is a liquor, distilled beverage made from the Agave tequilana, blue agave plant, primarily in the area surrounding the city of Tequila, Jalisco, Tequila northwest of Guadalajara, Jalisco, Guadalajara, and in the Jaliscan Highlands ...

, Mexico's Tequila Regulatory Council (CRT) regulates production NOMs. The NOM identifier means the tequila meets government standards - but this is not any guarantee of tequila's quality. However, without the NOM stamp of legitimacy, it is not guaranteed that the bottle contains tequila. All 100% agave tequilas must have a NOM identifier on the bottle. The important laws since 1990 were NOM-006-SCFI-1993 and the later update NOM-006-SCFI-1994 revised in late 2005 NOM-006-SCFI-2005 and the most recent revision in 2012.NOM-006-SCFI-2012
/ref> The number after NOM is the distillery number, assigned by the government. NOM does not indicate the location of the distillery, merely the parent company or - in the case where a company leases space in a plant - the physical plant where the tequila was manufactured.

Environment

NOM-137-SEMARNAT-2003 - Issued on the ''

Official Gazette A government gazette (also known as an official gazette, official journal, official newspaper, official monitor or official bulletin) is a periodical publication that has been authorised to publish public or legal notices. It is usually establis ...

'' on April 29, 2003, and related to

atmospheric pollution Air pollution is the contamination of air due to the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. There are many different types ...

, gas desulfurizing plants and sour

condensate Condensate may refer to: * The liquid phase produced by the condensation of steam or any other gas * The product of a chemical condensation reaction, other than water * Natural-gas condensate, in the natural gas industry * ''Condensate'' (album) ...

, and control of emissions of

sulfur compounds Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula ...

References

External links

Explains the difference between law, regulation and NOM.Web page of Asociación de Normalización y Certificación, A.C. (Association for Normalization and Certification), a Mexican entity, where the difference between NOM and NMX is explained.

List of tequila distilleries NOM numbers

Standards Government of Mexico Certification marks {{standard-stub