On March 15, 2018 the SAT published on their website the draft version of the amendment to the General Foreign Trade Rules for 2018.

The amendment addresses specifically the rule 3.1.37 related to the requirement to use the PO acronym when applying FTA benefits on the customs entry declarations.

The requirement will be enforced until May 1st, 2018.

The link to review the amendment is the following:

http://www.sat.gob.mx/informacion_fiscal/normatividad/Documents/PO14032018.pdf