All the goods entering or departing from Mexico shall be destined to any customs regime, established by the contributor, according to the function they will have within the national territory or abroad.

When a good is presented at the customs office to enter or depart from the country, the destination for said goods shall be informed with an official document (declaration).

Our laws consider six regimes with their pertaining variations:

1. Definitive
   Imports
   Exports
2. Temporary
   Imports
        a) Temporary import to return overseas in the same condition, that is, to go back abroad without any modification
        b) Temporary import to be subject to the creation, transformation of repair process

   Exports
        a) Temporary import to return overseas in the same condition, that is, to go back abroad without any modification
        b) Temporary import to be subject to the creation, transformation of repair process

3. Tax warehouse 
4.  Transit of goods
   Internal
   International
5. Creation, transformation or repair of the In-bond Facility 
   
   Legal grounds: Article 90 of the Customs