Columbia subject headings:
Confidential communications--International trade.
Data protection--Law and legislation--European Union countries.
Electronic data interchange--Law and legislation--European Union countries.
Privacy, Right of--European Union countries.
Privacy, Right of--United States.
Harvard subject headings:
Confidential communications--International trade.
Data protection--Law and legislation--European Union countries
Electronic data interchange--Law and legislation--European Union countries.
Privacy, Right of--European Union countries
Privacy, Right of--United States
Princeton subject headings:
Confidential communications--International trade.
Data protection--Law and legislation--European Union countries.
Electronic data interchange--Law and legislation--European Union countries.
Privacy, Right of--European Union countries.
Privacy, Right of--United States.