To direct the Librarian of Congress to obtain a stained glass panel depicting the seal of the District of Columbia and install the panel among the stained glass panels depicting the seals of States which overlook the Main Reading Room of the Library of Congress Thomas Jefferson Building.

Cost and committee reports

Official records Congress.gov attaches to H.R. 4231.

• CBO cost estimateThe Congressional Budget Office published “H.R. 4231, a bill to direct the Librarian of Congress to obtain a stained glass panel depicting the seal of the District of Columbia and install the panel among the stained glass panels depicting the seals of states which overlook the Main Reading Room” on May 3, 2016. CBO’s description reads “As ordered reported by the House Committee on Transportation and Infrastructure on April 20, 2016”.
  Read the CBO estimate ↗Source: Congressional Budget Office, May 3, 2016 ↗

  Evidence

  Field in the Congress.gov record

  cboCostEstimates

  CBO publication

  https://www.cbo.gov/publication/51522

  CBO publication date

  May 3, 2016

  Congress.gov bill record

  H.R. 4231, 114th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/114/hr/4231

  Record last updated by Congress.gov

  April 7, 2025

  PORKER copy retrieved

  September 22, 2026

  Stored copy, SHA-256 of the file

  288e7fda3ae302a420fc6d1843d7f1843480479ca5c6c42c6e2497129212dbbb

• 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. 114-535 ↗. The Congress.gov committee record lists a “Reported By” entry for the Transportation and Infrastructure Committee on May 3, 2016.
  Source: Congress.gov, reported May 3, 2016 ↗

  Evidence

  Field in the Congress.gov record

  committeeReports

  Report API records

  https://api.congress.gov/v3/committee-report/114/HRPT/535

  Congress.gov bill record

  H.R. 4231, 114th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/114/hr/4231

  Record last updated by Congress.gov

  April 7, 2025

  PORKER copy retrieved

  September 22, 2026

  Stored copy, SHA-256 of the file

  288e7fda3ae302a420fc6d1843d7f1843480479ca5c6c42c6e2497129212dbbb

  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 Ms. NORTON, as printed in the Congressional Record (Vol. 161, No. 179, December 10, 2015, Page H9271):
  clause 18 of section 8 of article I of the Constitution.
  Source: Congress.gov, Congressional Record December 10, 2015 ↗

  Evidence

  Field in the Congress.gov record

  constitutionalAuthorityStatementText

  Statement length

  56 characters

  Congress.gov bill record

  H.R. 4231, 114th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/114/hr/4231

  Record last updated by Congress.gov

  April 7, 2025

  PORKER copy retrieved

  September 22, 2026

  Stored copy, SHA-256 of the file

  288e7fda3ae302a420fc6d1843d7f1843480479ca5c6c42c6e2497129212dbbb

  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. 4231, last updated April 7, 2025. PORKER’s copy was retrieved September 22, 2026 and is refreshed nightly. Open “Evidence” on any line for the record, field and file fingerprint.