National Strategic and Critical Minerals Production Act

Cost and committee reports

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

• CBO cost estimateThe Congressional Budget Office published “H.R. 520, National Strategic and Critical Minerals Production Act” on March 28, 2018. CBO’s description reads “As ordered reported by the House Committee on Natural Resources on March 7, 2018”.
  Read the CBO estimate ↗Source: Congressional Budget Office, March 28, 2018 ↗

  Evidence

  Field in the Congress.gov record

  cboCostEstimates

  CBO publication

  https://www.cbo.gov/publication/53698

  CBO publication date

  March 28, 2018

  Congress.gov bill record

  H.R. 520, 115th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/115/hr/520

  Record last updated by Congress.gov

  December 5, 2025

  PORKER copy retrieved

  September 21, 2026

  Stored copy, SHA-256 of the file

  4ff593186735166b6fb46cd67a2eb849db31cb451e4975932bcff8ef602b3620

• PORKER links to the estimate and does not repeat its dollar figures. Each estimate is for the version of the bill its description names; the bill may have changed since.

• Committee reportCongress.gov lists 1 committee report for this bill: H. Rept. 115-631 ↗. The Congress.gov committee record lists a “Reported By” entry for the Natural Resources Committee on April 11, 2018.
  Source: Congress.gov, reported April 11, 2018 ↗

  Evidence

  Field in the Congress.gov record

  committeeReports

  Report API records

  https://api.congress.gov/v3/committee-report/115/HRPT/631

  Congress.gov bill record

  H.R. 520, 115th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/115/hr/520

  Record last updated by Congress.gov

  December 5, 2025

  PORKER copy retrieved

  September 21, 2026

  Stored copy, SHA-256 of the file

  4ff593186735166b6fb46cd67a2eb849db31cb451e4975932bcff8ef602b3620

  A committee report is the committee’s own explanation of the bill. PORKER lists it and links to it; reading it is up to you.

• Constitutional authority statementThe sponsor’s statement of where the Constitution gives Congress the power to pass this bill. Statement by Mr. AMODEI, as printed in the Congressional Record (Vol. 163, No. 9, January 13, 2017, Page H546):
  The constitutionalauthority of Congress to enact this legislation is provided by Article I, Section 8 of the United States Constitution,specifically clause 1 (relating to providing for the general welfare of the United States) and clause 18 (relating to the powerto make all laws necessary and proper for carrying out the powers vested in Congress), and Article IV, Section 3, Clause 2(relating to the power of Congress to dispose of and make all needful rules and regulations respecting the territory or otherproperty belonging to the United States).
  Source: Congress.gov, Congressional Record January 13, 2017 ↗

  Evidence

  Field in the Congress.gov record

  constitutionalAuthorityStatementText

  Statement length

  551 characters

  Congress.gov bill record

  H.R. 520, 115th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/115/hr/520

  Record last updated by Congress.gov

  December 5, 2025

  PORKER copy retrieved

  September 21, 2026

  Stored copy, SHA-256 of the file

  4ff593186735166b6fb46cd67a2eb849db31cb451e4975932bcff8ef602b3620

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

From the Congress.gov bill record for H.R. 520, last updated December 5, 2025. PORKER’s copy was retrieved September 21, 2026 and is refreshed nightly. Open “Evidence” on any line for the record, field and file fingerprint.