Internet Tax Fairness Act of 2001

[AI summary unavailable — showing source text] Internet Tax Fairness Act of 2001 - Amends the Internet Tax Freedom Act to make the three-year moratorium on State and local taxation of the Internet permanent. Revises Federal law provisions concerning state taxation of income from interstate commerce to prohibit, as a general rule, a State or subdivision thereof imposing a business activity tax on any person relating to such person's activities that affect interstate commerce, unless such person has a substantial physical presence in such State or subdivision. Defines a substantial physical presence.…