To require the United States Postal Service to designate ZIP Codes for certain communities.

Cost and committee reports

Official records Congress.gov attaches to H.R. 10257.

• Constitutional authority statementThe sponsor’s statement of where the Constitution gives Congress the power to pass this bill. Statement by Mr. DIAZ-BALART, as printed in the Congressional Record (Vol. 172, No. 140, September 3, 2026, Page H5509):
  Article 1, Section 8 of the U.S. Constitution.
  Source: Congress.gov, Congressional Record September 3, 2026 ↗

  Evidence

  Field in the Congress.gov record

  constitutionalAuthorityStatementText

  Statement length

  46 characters

  Congress.gov bill record

  H.R. 10257, 119th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/119/hr/10257

  Record last updated by Congress.gov

  September 22, 2026

  PORKER copy retrieved

  September 24, 2026

  Stored copy, SHA-256 of the file

  662e7a1e35cac7ec4be872eeaf381caa854155a051b2c0ce7f4d5aa09de1a487

  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 September 22, 2026). Not every bill gets one.

From the Congress.gov bill record for H.R. 10257, last updated September 22, 2026. PORKER’s copy was retrieved September 24, 2026 and is refreshed nightly. Open “Evidence” on any line for the record, field and file fingerprint.