Mandatory authentication mode:——M0: certification through quality control and periodic test verification; ——M1: Certification through regular test verification (new product type test); ——M2: Certification (new product) through quality system assessment verification; ——M3: Compliance letter issued through periodic test verification (for new products); ——M4: Certification through quality control and periodic test verification (for redesigned products); ——M5: batch certification (for redesigned products and used products without redesign manual); ——M6: 100% certification (for non-standard products). Certificate holders are usually individual importers, manufacturers, and distributors. Foreign manufacturers can apply for certificates through a certification body recognized by the Mexican Standardization Commission.
