The scope of this review covers the implementation and delivery of “NOMs”, the Mexican technical regulations. NOMs are one of the regulatory instruments that the Mexican Executive branch can deploy to pursue its policy objectives, together with primary laws and subordinate regulations (Table 1). They are defined as the binding instruments issued by public bodies of the federal public administration that establish rules, specifications, attributes, directives, characteristics, or provisions applicable to a product, process, installation, system, activity, service or production or operation method, as well as rules regarding terminology, packaging, use of marks and/or labelling.1 Together with Mexican Standards (NMXs), NOMs contribute to the Mexican “standardisation system”. However, NMXs are voluntary instruments that fall outside of the scope of this review.
The Federal Law on Metrology and Standardisation (Ley Federal sobre Metrología y Normalización, LFMN) establishes a broad scope of application for technical regulations. Articles 52 and 53 state that all products, processes, methods, facilities, services, or activities domestic or imported must comply with NOMs. As of January 2020, there were 702 NOMs in force. The Ministries of Health, Economy, Agriculture, Environment and Communications and Transport are responsible for over 75% of all NOMs (Figure 1).
This approach grants a broader scope to “technical regulations” than usually contemplated in other countries (Box 1), in particular by going beyond product regulation and including a range of non-industrial services and food. This difference in scope explains why some aspects of international experience may be more-or-less difficult to match with elements of the Mexican system. In an attempt to map the range of measures covered by NOMs in Mexico, Box 2 organises them in a number of broad families with similar features.