Art. 12. No titles of nobility, prerogatives or hereditary honors shall be granted in the United States of Mexico, nor shall any effect be given to those granted by other countries.
Art. 13. No one shall be tried according to private laws or by special tribunals. No person or corporation shall have privileges nor enjoy emoluments which are not in compensation for public services and established by law. Military jurisdiction shall be recognized for the trial of criminal cases having direct connection with military discipline, but the military tribunals shall in no case and for no reason extend their jurisdiction over persons not belonging to the army. Whenever a civilian shall be implicated in any military crime or offense, the cause shall be heard by the corresponding civil authorities.
Art. 14. No law shall be given retroactive effect to the prejudice of any person whatsoever.
No person shall be deprived of life, liberty, property, possessions or rights without due process of law instituted before a duly created court, in which the essential elements of procedure are observed and in accordance with previously existing laws.
In criminal cases no penalty shall be imposed by mere analogy or even by a priori evidence, but the penalty shall be decreed by a law in every respect applicable to the crime in question.
