A bill to exclude from admission to the United States aliens who have directly and significantly contributed to the ability of Cuba to develop its petroleum resources, and for other purposes.

Read twice and referred to the Committee on the Judiciary.

Congressional Research Service

Official summary

Version 00 · Introduced in Senate · Dec 18, 2007

States that the Maritime Boundary Agreement Between the United States of America and the Republic of Cuba shall have no force and effect after the date of the enactment of this Act.

Amends the Cuban Liberty and Democratic Solidarity (LIBERTAD) Act of 1996 to exclude from U.S. entry an alien who: (1) is an officer or principal of an entity, or a shareholder who owns a controlling interest in an entity that makes an investment of $1 million or more (or any combination of investments that equals or exceeds $1 million in any 12-month period) that significantly contributes to Cuba's ability to develop petroleum and natural gas resources off its north coast; or (2) is a spouse, minor child, or agent of such person.

Exempts on a case-by-case basis entries for medical reasons or property-related litigation.

Defines "investment" for purposes of this Act.

Read the summary on Congress.gov

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People & committees

Who introduced it

Sen. Nelson, Bill [D-FL] · D–FL

Committees

Judiciary Committee

0 cosponsorship records, including any withdrawals

Legislative record

Actions

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Dec 18, 2007
Read twice and referred to the Committee on the Judiciary.
Dec 18, 2007
Introduced in Senate

Primary sources

Bill text & related measures

Text links open the official source. We currently store references to these documents.

Introduced in Senate · Dec 18, 2007 Formatted Text PDF Formatted XML

Related bills identified by Congress.gov

S 876 · A bill to exclude from admission to the United States aliens who have made investments contributing to the enhancement of the ability of Cuba to develop its petroleum resources, and for other purposes.

Source last updated: Aug 10, 2026. Consult Congress.gov for the current record.

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Neutral evidence review

Objective

Analyze S.2503 as objectively as possible. Explain its main provisions, who would be affected, possible benefits and harms, implementation, exceptions, and uncertainties. Present the strongest arguments for and against it, and identify evidence needed to assess its public impact.

View full prompt & sources

Discuss S.2503, 110th Congress: A bill to exclude from admission to the United States aliens who have directly and significantly contributed to the ability of Cuba to develop its petroleum resources, and for other purposes.

Official record: https://www.congress.gov/bill/110th-congress/senate-bill/2503

Text version to examine: Introduced in Senate · 2007-12-18.

Official full text: https://www.congress.gov/110/bills/s2503/BILLS-110s2503is.htm

Imported record last updated by the source: 2026-08-10T11:53:29Z. Verify current status and distinguish any later version from the version above.

Read the official text before answering. If you cannot access it, say so and ask me to provide it; do not assume a link means you have read the document. Distinguish proposals from enacted law, cite sources, and separate facts, interpretation, and uncertain predictions. Include counterarguments even when using a particular perspective.

Analyze S.2503 as objectively as possible. Explain its main provisions, who would be affected, possible benefits and harms, implementation, exceptions, and uncertainties. Present the strongest arguments for and against it, and identify evidence needed to assess its public impact.

Fairness and public impact

Progressive lens

Examine S.2503 through a progressive lens, focusing on fairness, access, economic inequality, and effects on vulnerable communities. Explain potential benefits, costs, and unintended consequences. Consider the strongest counterarguments and distinguish stated goals from demonstrated outcomes.

View full prompt & sources

Discuss S.2503, 110th Congress: A bill to exclude from admission to the United States aliens who have directly and significantly contributed to the ability of Cuba to develop its petroleum resources, and for other purposes.

Official record: https://www.congress.gov/bill/110th-congress/senate-bill/2503

Text version to examine: Introduced in Senate · 2007-12-18.

Official full text: https://www.congress.gov/110/bills/s2503/BILLS-110s2503is.htm

Imported record last updated by the source: 2026-08-10T11:53:29Z. Verify current status and distinguish any later version from the version above.

Read the official text before answering. If you cannot access it, say so and ask me to provide it; do not assume a link means you have read the document. Distinguish proposals from enacted law, cite sources, and separate facts, interpretation, and uncertain predictions. Include counterarguments even when using a particular perspective.

Examine S.2503 through a progressive lens, focusing on fairness, access, economic inequality, and effects on vulnerable communities. Explain potential benefits, costs, and unintended consequences. Consider the strongest counterarguments and distinguish stated goals from demonstrated outcomes.

Institutions and government scope

Conservative lens

Examine S.2503 through a conservative lens, focusing on fiscal responsibility, institutional stability, federalism, and the scope of government. Explain potential benefits, costs, and unintended consequences. Consider the strongest counterarguments and any provisions that challenge this perspective.

View full prompt & sources

Discuss S.2503, 110th Congress: A bill to exclude from admission to the United States aliens who have directly and significantly contributed to the ability of Cuba to develop its petroleum resources, and for other purposes.

Official record: https://www.congress.gov/bill/110th-congress/senate-bill/2503

Text version to examine: Introduced in Senate · 2007-12-18.

Official full text: https://www.congress.gov/110/bills/s2503/BILLS-110s2503is.htm

Imported record last updated by the source: 2026-08-10T11:53:29Z. Verify current status and distinguish any later version from the version above.

Read the official text before answering. If you cannot access it, say so and ask me to provide it; do not assume a link means you have read the document. Distinguish proposals from enacted law, cite sources, and separate facts, interpretation, and uncertain predictions. Include counterarguments even when using a particular perspective.

Examine S.2503 through a conservative lens, focusing on fiscal responsibility, institutional stability, federalism, and the scope of government. Explain potential benefits, costs, and unintended consequences. Consider the strongest counterarguments and any provisions that challenge this perspective.

Individual rights and government power

Liberty lens

Examine S.2503 through a civil-liberties and limited-government lens. Consider individual rights, privacy, voluntary choice, accountability, and government power. Explain tradeoffs, possible safeguards, and the strongest counterarguments without assuming the proposal is beneficial or harmful.

View full prompt & sources

Discuss S.2503, 110th Congress: A bill to exclude from admission to the United States aliens who have directly and significantly contributed to the ability of Cuba to develop its petroleum resources, and for other purposes.

Official record: https://www.congress.gov/bill/110th-congress/senate-bill/2503

Text version to examine: Introduced in Senate · 2007-12-18.

Official full text: https://www.congress.gov/110/bills/s2503/BILLS-110s2503is.htm

Imported record last updated by the source: 2026-08-10T11:53:29Z. Verify current status and distinguish any later version from the version above.

Read the official text before answering. If you cannot access it, say so and ask me to provide it; do not assume a link means you have read the document. Distinguish proposals from enacted law, cite sources, and separate facts, interpretation, and uncertain predictions. Include counterarguments even when using a particular perspective.

Examine S.2503 through a civil-liberties and limited-government lens. Consider individual rights, privacy, voluntary choice, accountability, and government power. Explain tradeoffs, possible safeguards, and the strongest counterarguments without assuming the proposal is beneficial or harmful.