The objective of this Clarifying Note is to make the precision in the third paragraph of the "NOTICE BY WHICH THE INCORPORATION OF NEW GUIDES AND RULES REFERRING TO THE OFFICIAL MEXICAN STANDARD NOM-001-SAG / FITO-2013, FOR THE WHICH ESTABLISHES THE CRITERIA, PROCEDURES AND SPECIFICATIONS FOR THE PREPARATION OF GUIDES FOR THE VARIETAL DESCRIPTION AND RULES TO DETERMINE THE QUALITY OF SEEDS FOR SOWING, ON THE ELECTRONIC PAGE OF THE NATIONAL INSPECTION AND SEED CERTIFICATION SERVICE "published in the Official Journal of the Federation on November 17, 2017.