The data subject receives the following information before the data is collected or communicated: If a school transmits to a company all of the student`s data for archiving or recording purposes, is there an exchange of data? How about a bank transferring customers` personal data to third parties for loan or credit purposes? What happens when a telecommunications company transmits to a bank, for credit rating purposes, the personal data of its subscribers that it has received for marketing purposes and vice versa? According to its definition, the parties to the data exchange are all responsible for personal data, even if the contemptuous is a processor of personal data, given that the disclosure of personal data is carried out on the instruction of the controller of personal data. . . .