225.1. The ordinary electoral process begins in September of the year prior to the election and concludes with the ruling and declaration of validity of the election of the President of the United Mexican States. In any case, the conclusion will occur once the Electoral Tribunal has resolved the last of the lodged challenges or when it is demonstrated that none were lodged.

225.2. For the effects of this Law, the ordinary electoral process has the following stages:

a) Election preparation;

b) Election Day;

c) Results and declarations of validity of the elections, and

d) Ruling and declarations of validity of the election and of the elected President.

225.3. The stage of the election preparation begins with the first session held by the General Council during the f rst week of September of the year prior to the one in which the ordinary federal elections should be held and concludes when the Election Day begins.

225.4. The stage of the Election Day begins at 8 a.m. on the first Sunday of June and concludes with the closing of the polling stations.

225.5. The stage of results and of declarations of validity of the elections begins with the delivery of the electoral documents and files to the district councils and concludes with the counts and declarations made by the councils of the Institute or, where applicable, with the rulings issued by the Electoral Tribunal as the final instance.

225.6. The stage of ruling and declarations of validity of the election and of the elected President of the United Mexican States begins with the resolution of the last challenge lodged against this election or when it has been demonstrated that none were lodged and concludes when the High Chamber of the Electoral Tribunal approves the ruling that contains the final count and the declarations of validity of the election and of the elected President.

225.7. Attending to the principle of f nality which governs the electoral processes, at the conclusion of any of their stages or any of the significant actions or activities of the electoral bodies, the Executive Secretary or the executive member of the local or district boards of the Institute, according to the case, could make their realization and conclusion known by the means they find appropriate.