H.R. 495 (119th)Bill Overview

Subterranean Border Defense Act

Immigration|Border security and unlawful immigrationGovernment information and archives
Cosponsors
Support
Lean Republican
Introduced
Jan 16, 2025
Discussions
Bill Text
Current stageCommittee

Received in the Senate and Read twice and referred to the Committee on Homeland Security and Governmental Affairs.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill, titled the Subterranean Border Defense Act, requires the insertion of a mandate into section 7134(a) of the FY2023 NDAA that directs annual reporting and the annual development or update of a strategic plan related to countering illicit cross-border tunnel operations. It amends existing law to make such reporting and strategic planning a recurring, yearly requirement.

Why people may split

Left worries about militarization and civil liberties.

Watch point

Relative to its intended legislative type, this bill creates a narrow reporting requirement and attempts to amend a specific existing statutory provision, but its text is minimal and partially truncated, leaving key operational elements unspecified.

This bill, titled the Subterranean Border Defense Act, requires the insertion of a mandate into section 7134(a) of the FY2023 NDAA that directs annual reporting and the annual development or update of a strategic plan related to countering illicit cross-border tunnel operations.

It amends existing law to make such reporting and strategic planning a recurring, yearly requirement.

The text is brief and focuses on reporting and planning obligations rather than funding or specific operational authorities.

Passage70/100

Simple reporting requirement on a narrow security issue has relatively high chance, subject to Senate scheduling and amendment risks.

CredibilityPartially aligned

Relative to its intended legislative type, this bill creates a narrow reporting requirement and attempts to amend a specific existing statutory provision, but its text is minimal and partially truncated, leaving key operational elements unspecified.

Contention55/100

Left worries about militarization and civil liberties.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agenciesFederal agencies

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Federal agenciesImproves interagency coordination and planning to detect and respond to illicit cross-border tunnels.
  • Potential benefitCreates a formal annual reporting requirement to increase transparency and oversight of tunnel countermeasures.
  • Potential benefitMay deter smuggling and human trafficking by focusing attention and resources on tunnel disruption.
Likely burdened
  • Potential burdenImposes potential ongoing administrative and compliance costs absent designated funding.
  • Federal agenciesCould expand federal operational reach into state and private lands, raising jurisdictional concerns.
  • Potential burdenMay enable more intrusive surveillance or land access, raising privacy and property rights issues.
03 · Why people split

Why the argument around this bill splits.

Left worries about militarization and civil liberties.
Progressive40%

A mainstream progressive would view the bill as an enforcement-focused administrative change that prioritizes planning and reporting on tunnel interdiction.

They would cautiously accept targeted law-enforcement work against smuggling networks but worry this bill increases border militarization and diverts resources from humanitarian solutions.

Support would depend on civil-rights safeguards, transparency, and demonstrated effectiveness.

Split reaction
Centrist70%

A pragmatic moderate would see this as a reasonable oversight and planning measure to address a specific security vulnerability.

They would welcome better data and strategic planning but want clarity on costs, measurable outcomes, and interagency roles.

Support is likely if the requirement is operationally useful and fiscally transparent.

Leans supportive
Conservative85%

A mainstream conservative would generally favor stronger border security measures and view this reporting requirement positively as a tool to expose and prevent illicit tunnels.

They would nevertheless press for adequate operational funding and swift action beyond reporting.

Opposition would arise only if the mandate created unfunded bureaucratic burdens.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood70/100

Simple reporting requirement on a narrow security issue has relatively high chance, subject to Senate scheduling and amendment risks.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Bill text fragment is partially garbled and lacks full operative language
  • No cost estimate or agency implementation details provided
05 · Recent votes

Recent votes on the bill.

HOUSE · Mar 10, 2025
Fast-track passage✓ PassedBipartisanNear-unanimous
2/3 majority required

The House fast-tracked this bill — skipping normal debate — and it passed with a two-thirds majority. It now moves to the Senate.

What is a fast-track passage?

Suspending the rules allows the House to bypass normal debate procedures and pass a bill immediately with a two-thirds vote.

Yes 100% No 0%
Against party line
Showing a quick cross-section of legislators, with followed members first when available.
06 · Go deeper

Go deeper than the headline read.

Included on this page

Left worries about militarization and civil liberties.

Simple reporting requirement on a narrow security issue has relatively high chance, subject to Senate scheduling and amendment risks.

Unlocked analysis

Relative to its intended legislative type, this bill creates a narrow reporting requirement and attempts to amend a specific existing statutory provision, but its text is minimal and partially truncated, leaving key ope…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis