To amend the Endangered Species Act of 1973 to provide that artificially propagated animals shall be treated the same under that Act as naturally propagated animals, and for other purposes.

Cost and committee reports

Official records Congress.gov attaches to H.R. 520.

• Constitutional authority statementThe sponsor’s statement of where the Constitution gives Congress the power to pass this bill. Statement by Mr. McCLINTOCK, as printed in the Congressional Record (Vol. 169, No. 16, January 25, 2023, Page H325):
  Article I, Section 8, Clause 18 The single subject of this legislation is: Endangered Species Act reform.
  Source: Congress.gov, Congressional Record January 25, 2023 ↗

  Evidence

  Field in the Congress.gov record

  constitutionalAuthorityStatementText

  Statement length

  105 characters

  Congress.gov bill record

  H.R. 520, 118th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/118/hr/520

  Record last updated by Congress.gov

  May 27, 2025

  PORKER copy retrieved

  September 14, 2026

  Stored copy, SHA-256 of the file

  20beaabb4e6cb161479b536b1f56b89e0d1d79796c0e02ed9ebebce8d3965c64

  PORKER shows the statement exactly as printed, with the page markup removed. It is the sponsor’s claim; it is not a legal finding.

Congress.gov’s record for this bill does not list a CBO cost estimate or a committee report (as of May 27, 2025). Not every bill gets one.

From the Congress.gov bill record for H.R. 520, last updated May 27, 2025. PORKER’s copy was retrieved September 14, 2026 and is refreshed nightly. Open “Evidence” on any line for the record, field and file fingerprint.