Columbia subject headings:
Computer networks--Law and legislation--United States.
Data transmission systems--Law and legislation--United States.
Electronic data interchange--Law and legislation--United States.
Electronic mail systems--Law and legislation--United States.
Harvard subject headings:
Business records--Law and legislation--United States--Data processing.
Computer networks--Law and legislation--United States
Data transmission systems--Law and legislation--United States.
Electronic commerce--Law and legislation--United States
Electronic data interchange--Law and legislation--United States.
Electronic mail systems--Law and legislation--United States.
Telecommunication--Law and legislation--United States
Princeton subject headings: