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180C H A P T E R Xtogether, constitute the general system of units of measurement used in the differentareas of science, technology, industry, education, and trade. The purpose of this NOM isto establish a unifying language accessible to all sectors of the country.The SI is the first compatible unit measurement system, essentially complete and internationallyharmonized, which facilitates the structuring of the metrological systems ofthe nations that adopt it with the highest level of accuracy.In general terms, NOM-008-SCFI-2002 establishes seven base units of the SI, correspondingto the following magnitudes: longitude, mass, time, intensity of electric current,thermodynamic temperature, candle power, and substance quantity. The unit names are:meter, kilogram, second, ampere, kelvin, candela, and mole, respectively. There is also alarge quantity of derived units that are used in the scientific arena. This NOM establishesmagnitudes, units, symbols, and definitions.The cited NOMs are only an example of the degree of specificity that the officialMexican standards impose on commercial practices of all types engaged in within thecountry, and which must be taken into consideration and complied with in doingbusiness in Mexico.3. Product Advertising RequirementsAmong the legal requirements that apply to the marketing of different products or servicesare requirements related to information about or advertising of such products orservices. These requirements are established in NOMs, in the Federal Consumer ProtectionLaw (Ley Federal de Protección al Consumidor), as well as in the General Health Lawand in its Regulation Regarding Advertising (Reglamento en Materia de Publicidad). Below,the provisions of each of these are described generally.3.1. NOM Product Advertising RequirementsThe fundamental purpose of the NOMs in advertising is to establish rules that requireaccuracy in the information directed to the public in order to prevent practices that harmthe interests of consumers.3.2. Product Advertising Requirements in the FederalConsumer Protection LawFor its part, the Federal Consumer Protection Law establishes that the information oradvertising related to goods or services that are disseminated by any medium must beaccurate, verifiable, and free of texts, dialog, sounds, images, and other descriptions thatmislead or could mislead the consumer as a result of inaccuracy.