342.1. Once the citizens have voted, they should fold and place the electoral ballot in the envelope that they have received, closing it in a way that ensures the secrecy of the vote.

342.2. As soon as possible, the citizens should send the envelope containing the electoral ballot, by registered mail, to the Institute.

342.3. For the purposes of the previous paragraph, the envelopes for shipment to Mexico of the electoral ballot will have the voter code of the citizen sending it printed on it, as well as the address of the Institute determined by the General Executive Board.

342.4. The citizens can send the envelope referred to in paragraph 1 of this article through the modules installed for this purpose in the embassies or consulates of Mexico abroad. The Institute will sign the corresponding agreements with the Ministry of Foreign Affairs.

342.5. For the purposes of the previous paragraph, the envelopes to be sent to Mexico with the electoral ballot should be delivered in the modules installed in the embassies or consulates of Mexico abroad no later than the Sunday prior to Election Day and will also meet the requirements set out in paragraph 3 of this article.

342.6. Once the citizen has delivered the envelope in the modules installed in the embassies or consulates of Mexico abroad, in accordance with the procedure established by the General Council for this effect, the measures for the control and safeguard of the envelopes will be taken so that they are sent by registered mail to the Institute.