Also known as: non-self-executing treaties · non self-executing treaty
Written by attorneys · grounded in primary & secondary sources — see below
An international agreement whose provisions lack domestic legal force until Congress enacts implementing legislation. The treaty creates only an international obligation and does not supply a rule of decision for courts or agencies.
Nicholas Nunez, a foreign national convicted of murder in state court, petitions to reopen his case after learning that police never advised him of his right to contact his consulate under a ratified treaty. The President issues a memorandum directing state courts to give the treaty effect. Because Congress has passed no implementing statute, the state court declines to reopen the final judgment.
Nancy Nelson files a wage claim with a state labor agency alleging that her employer violated overtime rules in a recently ratified international labor pact. The President issues a memorandum instructing state agencies to apply the pact directly. With no implementing legislation from Congress, the agency dismisses the claim and applies only state wage statutes.
Select any source to read its text and confirm it supports the definition.
No. The treaty creates only an international obligation. Absent legislation from Congress, its provisions supply no rule of decision that state courts must apply.
Supporting sources
No. The President lacks independent constitutional authority to convert a non-self-executing treaty into domestic law or to direct state courts and agencies to comply.
Supporting sources
A self-executing treaty establishes enforceable domestic law without further congressional action. A non-self-executing treaty requires legislative implementation before its provisions have domestic effect.
Supporting sources
No. The Supremacy Clause makes treaties supreme law only when they are self-executing or backed by implementing legislation. A non-self-executing treaty does not preempt state law or create judicially enforceable rights on its own.
Supporting sources
…Court has long recognized the distinction between self-executing treaties, which operate of their own force as domestic law, and non-self-executing treaties, which require implementing legislation. Foster v. Neilson established that a treaty is equivalent to an act of the legislature when it "operates of itself without the aid of any…