The merchandises that cannot be introduced in franchise are: alcoholic beverages, wrought tobaccos and automobile fuel, apart from what is contained in the fuel tank of the vehicle that fulfills with the specifications of the manufacturer, as well as the prohibited merchandises.

The following ones are considered prohibited merchandise:

• Alive predator fish, in their states of young fish, youthful and adult.
  
• Totoaba, fresh or cooled (fish).
  
• Frozen Totoaba (fish).
  
• Turtle eggs or any class.
  
• Poppy seeds (Narcotic).
  
• Flour of poppy seeds (Narcotic).
  
• Seeds and spores of marijuana (Cannabis indica), even though when they are mixed with other seeds.
  
• Marijuana (Cannabis indica).
  
• Juice and extracts of opium, prepared to smoke.
  
• Extracts and juice derived from marijuana (Cannabis indica).
  
• Mucilage and condensed products derived from the marijuana (Cannabis indica).
  
• Stamps or printed transfers in colors or in black and white, displayed for their sale in envelopes or packages, even when they include chewing gum, candies or any other type of articles, containing drawings, figures or illustrations that represent childhood in a degrading or ridiculous way, on attitudes of incitement to violence, to self-destruction or in any other form of antisocial behavior, known like Garbage Pail Kids, for example, printed by any company or commercial denomination.
  
• Thallium sulfate.
  
• Insecticide (Isodrin or Aldrin).
  
• Insecticide (Heptaclor or Drinox).
  
• Insecticide (Endrin or Mendrin or Nendrin or Hexadrin).
  
• Insecticide (Leptophos).
  
• Heroin, base or hydrochloride of diacetylmorphine.
  
• Medication prepared with marijuana (Cannabis indica).
  
• Medication prepared with acetylmorphine or of its salts or derivatives.
  
• Skins of turtle or doggerhead turtle.
  
• Goods that have been declared as archaeological monuments by the Secretariat of Public Education
  

For effects of the Customs Law, the import or export of prohibited merchandise is causal so that the customs authorities come to the precautionary distraint of said merchandised and of the means in which they are transported. Also, it constitutes an infraction related to the import or export of this type of merchandise and it is sanctioned with a fine: Therefore, these merchandises happen to be property of the Federal State, independently of the penal sanctions that the Penal Code establishes.