MEXICAN LEGISLATION
HEALTH AND SAFETY - STPS
ENVIRONMENT  - SEMARNAT
 
ADDED
LGEEPA- GENERAL LAW OF ECOLOGICAL EQUILIBRIUM AND PROTECTION OF THE ENVIRONMENT last reform DOF Dec 17, 2025
GENERAL LAW OF WATERS published Dec 11, 2025 - effective Dec. 12, 2025
REFORMS TO LAW OF NATIONAL WATERS published Dec 11, 2025 - effective Dec. 12, 2025
 
General Law for the Prevention and Integral Management of Wastes last reform published Jan. 19, 2026

The General Law of Ecological Equilibrium and Protection of the Environment. (LGEEPA) last reform published Jan. 19, 2026

General Law of Circular Economy (LEY GENERAL DE ECONOMÍA CIRCULAR) Published In the DOF on January 19, 2026 – effective Jan. 20, 2026
NOM-137-SSA1-2025, Labeling of medical devices.  Published in the DOF May 19, 2026 takes effect on May 14, 2027 - 360 days from its publication – it cancels NOM-137-SSA1-2008, Labeling of medical devices
NOM-005-SSA-2026, On Family Planning and Contraception Services. Published in the DOF on June 12, 2026 – effective date Dec. 09, 2026 and cancels the NOM-005-SSA2-1993
NOM-022-ASEA-2026, Natural Gas Compression Installations for the loading of Transportable Storage Modules and Service Stations with Specific Purpose for Public Sale of Compressed Natural Gas for motor vehicles
Published in the DOF on May 6, 2026 – effective date November 02, 2026 = this standard cancels NOM-010-ASEA-2016
 
NOM-174-SEMARNAT-2026, Maximum permissible limits of pollutant emissions from the exhaust of new engines incorporated or to be installed in new off-road mobile machinery that use diesel as fuel.
AGREEMENT establishing simplification actions for procedures carried out before the Federal Center for Conciliation and Labor Registration. Published in the DOF on August 19, 2026
AGREEMENT establishing simplification actions for procedures carried out before the Secretary of Labor and Social Welfare. Published in the DOF on August 31, 2026