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What Are NOMS?

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NOMS or Official Mexican Standards are prepared by the DGN which is a technical department of the Secretary of Economy.

A technical committee is formed with experts who prepare a standard and then publish it as project (PROY) in the DOF for an obligatory 60 calendar day period for comments from the public.

Once the 60 period has passed, the comments are analyzed by the Committee and their Responses are published to each comment received and the reason for their acceptance or rejection.

If accepted the recommendation in the comment is incorporated into the NOM.

Some time after the responses are published, the definitive NOM is published and it takes effect according to the date established in the Transitional articles of the Standard.