Directive 1999/93/EC of the European Parliament
and of the Council of 13 December 1999 on a Community framework for electronic
signatures
Directive 2000/31/EC of the European Parliament and of
the Council of 8 June 2000 on
certain legal aspects of information society services, in particular
e-commerce in the internal market (Directive on Electronic Commerce).
Report to Congress. Advisory Commission on Electronic
Commerce April 2000.
USA
The Internet Tax Freedom Act (formerly known as S.442, now Title XI
of P.L. 105-277, the Omnibus Appropriations Act of 1998). USA
Report of the Commission for the analysis of the
impact of Electronic Commerce on the Spanish Tax Sistem. SPAIN. http://www.minhac.es/comfisc/inicio.htm