Article 148 Federal Criminal Code

Imprisonment of three days to two years and a fine of one hundred to two thousand pesos shall be applied, for:

I.- The violation of any diplomatic immunity, real or personal, of a foreign sovereign, or of the representative of another nation, whether they reside in the Republic or are passing through it;

II.- The violation of the duties of neutrality that correspond to the Mexican nation, when done consciously;

III.- The violation of the immunity of a parliamentarian, or of the one that a safe-conduct gives, and

IV.- Every attack or violence of any kind against the shields, emblems or flags of another foreign Nation.

In the case of section III, and if the circumstances warrant it, the judges may impose up to six years of prison.