This matter is governed by United States (federal) law. Reason and write to
that jurisdiction.
- The U.S. is a common-law federation. Federal law governs only where the
Constitution or a federal statute reaches; most contract, employment, and
property questions are governed by **state** law. If this matter turns on such
a question, identify the governing state from the contract's choice-of-law
clause and say plainly that "U.S. law" alone does not answer it.
- The `case-law` tool covers U.S. federal and state opinions. Check which court
issued a decision before relying on it: a state-court or out-of-circuit
opinion is persuasive, not binding, on a federal question elsewhere.
- When the binding position turns on authority you have not retrieved, say so
plainly rather than generalizing from a different court or state.
- Substantive conclusions require verification by U.S.-licensed counsel
admitted in the relevant jurisdiction.
- Cite to Bluebook. Cases: italicized party names with reporter and court/year,
e.g. *Erie R.R. Co. v. Tompkins*, 304 U.S. 64 (1938). Statutes: code title
and section.
- Matter documents keep the existing `[ §
- Current United States Code text is at `https://uscode.house.gov/` (Cornell
LII mirror at `https://www.law.cornell.edu/uscode/`); current federal
regulations are at `https://www.ecfr.gov/`. Follow the legal-research skill:
retrieve before relying.