Grants the district courts original and exclusive jurisdiction to prevent and restrain violations of this Act. Authorizes the United States or a State attorney general to institute such proceedings. Authorizes a professional or amateur sports organization whose games or athletic performances are alleged to be the basis of a violation to institute civil proceedings to prevent or restrain such violation. Provides enforcement authority for violations taking place on Indian lands.

Exempts from liability under this Act any service provider who, after being properly notified by a Federal or State law enforcement agency that a particular online site of such provider is being used to violate this Act, removes or disables access to such site. Requires a provider, in order to receive such immunity, to: (1) maintain an electronic or written policy that requires the provider to terminate the account of a violating subscriber following receipt of a notice of violation; and (2) not knowingly permit its service to be used for such prohibited purposes.

Authorizes alternative injunctive relief against such a provider, under certain limitations and considerations.

Exempts providers from liability for content, furnished by another person, that advertises or promotes non-Internet gambling activities, unless the provider is engaged in the business of such gambling. Requires such providers, in order to receive such immunity, to maintain the termination policy and to not knowingly permit the use of their services for such activities as required under the exemption above. Requires the provider to take appropriate action after notice from a Federal or State law enforcement agency that the provider's service is being used for such prohibited purposes. Authorizes alternative injunctive relief against such a provider under certain limitations and considerations.

Exempts from liability a provider who takes any action required under this Act. States that nothing in this Act shall otherwise require a provider: (1) to monitor material or use of its service; or (2) except as required by notice, to gain access to, remove, or disable access to material. Lists exceptions to the prohibitions under this Act, including certain State and multi-State lotteries and authorized horse or dog racing. Exempts from the provisions of this Act class II or III gaming activities properly conducted on Indian lands under the Indian Gaming Regulatory Act or other Federal authority or with the approval of appropriate State gaming or regulatory authorities.

Directs the Attorney General to submit to Congress: (1) an analysis of the problems associated with enforcing this Act; (2) recommendations for the best use of Department of Justice resources for enforcement; and (3) an estimate of the amount of activity and money being used to gamble on the Internet.

Internet Gambling Prohibition Act of 1999 - Amends the Federal criminal code to make it unlawful for any person engaged in a gambling business to knowingly use the Internet or any other interactive computer service (service) to: (1) place, receive, or otherwise make a bet or wager; or (2) send, receive, or invite information assisting in the placing of a bet or wager. Prescribes penalties.

Grants the district courts original and exclusive jurisdiction to prevent and restrain violations of this Act. Authorizes the United States or a State attorney general to institute such proceedings. Provides enforcement authority for violations taking place on Indian lands.

Exempts from liability under this Act any service provider who, after being properly notified by a Federal or State law enforcement agency that a particular online site of such provider is being used to violate this Act, removes or disables access to such site. Requires a provider, in order to receive such immunity, to: (1) maintain an electronic or written policy that requires the provider to terminate the account of a violating subscriber following receipt of a notice of violation; and (2) not knowingly permit its service to be used for such prohibited purposes.

Authorizes alternative injunctive relief against such a provider, under certain limitations and considerations.

Exempts from liability a provider who takes any action required under this Act. States that nothing in this Act shall otherwise require a provider: (1) to monitor material or use of its service; or (2) except as required by notice, to gain access to, remove, or disable access to material. Lists exceptions to the prohibitions under this Act, including certain State and multi-State lotteries and authorized horse or dog racing.

Directs the Attorney General to submit to Congress: (1) an analysis of the problems associated with enforcing this Act; (2) recommendations for the best use of Department of Justice resources for enforcement; and (3) an estimate of the amount of activity and money being used to gamble on the Internet.

Internet Gambling Prohibition Act of 1999 - Amends the Federal criminal code to make it unlawful for any person engaged in a gambling business to use the Internet or any other interactive computer service (service) to: (1) place, receive, or otherwise make a bet or wager; or (2) send, receive, or invite information assisting in the placing of a bet or wager. Prescribes penalties. Lists exceptions to such prohibition, including certain State and multi-State lotteries and authorized horse racing.

Grants the district courts original and exclusive jurisdiction to prevent and restrain violations of this Act. Authorizes the United States or a State attorney general to institute such proceedings.

Exempts from liability under this Act any service provider who, after being properly notified by a Federal or State law enforcement agency that a particular online site of such provider is being used to violate this Act, removes or disables access to such site. Authorizes alternative injunctive relief against such a provider, under certain limitations and considerations. Preempts applicable State law.

Directs the Attorney General to submit to Congress: (1) an analysis of the problems associated with enforcing this Act; (2) recommendations for the best use of Department of Justice resources for enforcement; and (3) an estimate of the amount of activity and money being used to gamble on the Internet.