A trade is defined as all work that an individual has to perform under the management of their faculties and their knowledge, which generally does not require university or formal studies, such as: cleaning service, painter, etc.; This term has an incredible antiquity, previously the work that an individual had in his charge was called trade as well as the gigantic rooms that belonged to the kings, in the same way it was mentioned to refer to the work of prostitutes or any illegal act such as exchange of stolen things, money laundering, among other actions that are frowned upon in the eyes of the law.
Continuing then with the legal field, the use of a document to achieve communication in writing with a judge or a court is also considered as an office, in order to request permission for the use of relevant information, in the case when is in the practice of a litigation; This office must meet numerous requirements such as: date, time, identification of the court to which it refers, as well as a description of the cause of the trial and must contain the judge's approving signature. On the other hand, there is another definition of this word known as "acting ex officio", where it is nothing more than the execution of a legal procedurewhich is executed by the public body in charge, without the need for it to be requested by the interested person, since the judge is the investigative judge to carry out such action.
