ARTICLE 36: RETURNS ABROAD BY POSTAL
For the purposes of article 21, section VII of the Law, (LA: Art. 21) the Mexican Postal Service (Servicio Postal Mexicano) must transmit to the Customs Authority through the Customs Electronic System (RLA: Art. 1) by Electronic Document (LA: Art. 2) or Digital (LA: Art. 2), information regarding returns. (RGCE 2022: Regla 2.4.7)