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The Captures Clause (Part 2): Jurisprudence

and U.S. Practice



December 20, 2024

This Legal Sidebar is the second installment in a two-part series discussing Congress's power to make
rules concerning Captures on Land and Water derived from Article I, Section 8, clause 11 of the
Constitution. This provision, sometimes called the Captures Clause, provides Congress with authority to
regulate the capture, condemnation, and distribution of enemy property. In addition, the Department of
Justice's Office of Legal Counsel (OLC) in a 2009 memorandum argued that the Framers of the
Constitution understood Congress's power to regulate captures to include the capture of enemy prisoners.
Because the Captures Clause gives Congress control over the treatment of enemy property and, arguably,
the treatment of enemy prisoners, Congress may find the Captures Clause to be of interest.
This Sidebar examines the Supreme Court's jurisprudence interpreting the Captures Clause and the role of
captures in U.S. practice. Part 1 provides an overview of the Captures Clause, examines its historical
context, and discusses its drafting and ratification history.

Jurisprudence and U.S. Practice Related to Captures

After the Constitution's ratification, Congress continued to enact legislation regulating captures and
dictating how the prize system would operate-as the national government had during the Articles of
Confederation and Second Continental Congress periods discussed in Part 1. The Supreme Court
eventually developed a large body of prize law jurisprudence addressing the legality of specific captures,
but the Court decided comparatively few cases that interpret the scope of the Captures Clause itself. The
following sections examine the Supreme Court's jurisprudence interpreting the Captures Clause and
highlights changing U.S. practices related to captures.

Congressional Control over Captures and the Role of International Law
The Supreme  Court has stated that Congress's power over captures and prize law is plenary, and [n]o one
can have any right or interest in any prize unless sanction[ed] by an act of Congress. At the same time,
international law informs domestic prize law, and the Supreme Court has applied international nomis in
adjudicating prize cases, provided those normis were not modified by a treaty or by legislative or
executive action. For example, when the U.S. Navy blockaded Cuban ports during the Spanish-American
War, the Supreme Court held that a rule ofinternational law exempting unarmed, coastal fishing vessels
                                                                 Congressional Research Service
                                                                   https://crsreports.congress.gov
                                                                                      LSB11254

CRS Legal Sidebar
Prepared for Members and
Committees of Congress