Article 124 Federal Criminal Code

The prison sentence of five to twenty years and a fine of up to twenty-five thousand pesos shall be applied to the Mexican who:

I.- Without complying with the constitutional provisions, enters into or executes treaties or pacts of offensive alliance with any State, that produce or may produce war of Mexico with another, or admits foreign troops or war units into the country;

II.- In the event of a foreign invasion, contributes to the establishment of a de facto government in the places occupied by the enemy, whether by giving his vote, attending meetings, signing records or representations or by any other means;

III.- Accepts from the invader an employment, position or commission, or who, in the occupied place, having obtained it in a legitimate manner, performs it in favor of the invader; and

IV.- With acts not authorized or approved by the government, provokes a foreign war with Mexico, or exposes Mexicans to suffer, because of this, vexations or reprisals.