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INA 237

INA §237(a)(4)(B): Terrorist Activities and Terrorism-Related Deportability

INA §237(a)(4)(B) incorporates the terrorism-related grounds in INA §212(a)(3)(B) and §212(a)(3)(F). The incorporated provisions are broad and can reach terrorist activity, material support, solicitation, membership, representation, endorsement, military-type training, certain family relationships, and specified association with terrorist organizations without requiring a terrorism conviction.

Reviewed by Peter Messersmith September 17, 2026
Direct Answer

INA §237(a)(4)(B) makes deportable a noncitizen who is described in INA §212(a)(3)(B) or §212(a)(3)(F). Those incorporated provisions extend far beyond terrorism convictions. They include engaging in terrorist activity, material support, solicitation, certain membership and representative roles, endorsement or espousal, military-type training, certain recent spouse-or-child relationships, and a separate association ground. The legal analysis must identify the exact incorporated subclause, the terrorist-organization category, the applicable knowledge standard, and any statutory or discretionary exemption authority rather than treating 'terrorism' as a single undifferentiated charge.

Section 237(a)(4)(B) Works by Incorporating INA §212(a)(3)(B) and (F)

The deportability paragraph is short because it incorporates two much longer inadmissibility provisions. A respondent is deportable if described in §212(a)(3)(B), the terrorist-activities provision, or §212(a)(3)(F), the association-with-terrorist-organizations provision.

That structure makes charge precision essential. The NTA should identify what incorporated theory DHS is relying on. A material-support case, membership case, endorsement case, spouse-or-child case, and association case raise different statutory questions even though all appear under the same deportability paragraph.

A Terrorism Conviction Is Not Required

The incorporated grounds are largely conduct, status, knowledge, and relationship based. They do not require DHS to produce a criminal conviction for terrorism. Some criminal statutes may overlap factually, but the removal ground operates through the INA's own definitions.

The defense should therefore resist a conviction-only analysis. The central questions are the particular conduct or relationship alleged, the statutory definition in effect, the organization's classification, the knowledge standard, and the quality of DHS's proof.

The incorporated statute also includes INA §212(a)(3)(B)(i)(II), which reaches a person whom the specified officials know or have reasonable ground to believe is engaged in or is likely to engage after entry in terrorist activity. That is a separate statutory theory from proving a past material-support act, membership, or other completed conduct. Because §237(a)(4)(B) incorporates the §212(a)(3)(B) framework, counsel should determine whether DHS is relying on past conduct, present status, or a reasonable-ground-to-believe theory.

The INA Defines 'Terrorist Activity' Broadly

INA §212(a)(3)(B)(iii) defines terrorist activity through specified unlawful conduct, including hijacking or sabotage of conveyances, hostage taking, violent attacks on internationally protected persons, assassination, dangerous use of specified weapons or devices, and threats, attempts, or conspiracies to engage in that conduct.

The definition is statutory and does not depend solely on whether an organization has been formally designated. That distinction becomes important when DHS relies on an undesignated group that allegedly fits the INA's separate terrorist-organization definition.

'Engage in Terrorist Activity' Includes More Than Personally Committing Violence

INA §212(a)(3)(B)(iv) includes committing or inciting terrorist activity, planning or preparing it, gathering target information, soliciting funds, soliciting members, and providing material support. The statute therefore can reach conduct far removed from personally carrying out a violent act.

Each subclause contains its own wording. Counsel should identify the precise act DHS says occurred and compare it to the statutory definition rather than allowing the case to proceed on a generalized allegation that the respondent 'supported terrorism.'

Material Support Is One of the Broadest and Most Litigated Theories

The material-support clause includes safe houses, transportation, communications, funds or other financial benefit, false documentation or identification, weapons, explosives, training, and other support. The statutory inquiry also varies depending on whether support was provided for terrorist activity, to an individual, or to a terrorist organization in one of the statutory categories.

Matter of A-C-M- holds that support can be material if it has a logical and reasonably foreseeable tendency to promote, sustain, or maintain the organization, even to a de minimis degree. That precedent makes the factual link between the respondent's act and the recipient especially important.

The knowledge rules are not identical across organization categories. For material support to a Tier III organization or its member, the statute allows the respondent to demonstrate by clear and convincing evidence that he or she did not know, and should not reasonably have known, that the organization was a terrorist organization. The parallel material-support language for Tier I and Tier II organizations does not contain that same statutory lack-of-knowledge defense. Organization classification is therefore an element of the legal analysis, not merely background information.

There Is No Implied Duress Exception to the Material-Support Bar

Matter of M-H-Z- holds that the material-support provision does not contain an implied exception for support provided under duress. That can produce harsh results where a person was forced by an armed group to provide food, labor, transportation, money, or other assistance.

Duress can still be crucial to discretionary exemption requests and to the factual presentation, but counsel should not assume that coercion automatically defeats the statutory material-support definition in Immigration Court.

Matter of S-K- Rejects a General 'Good Cause' or Totality Exception

Matter of S-K- emphasizes the breadth of the terrorism provisions. The BIA rejected a totality-of-the-circumstances test that would exclude an organization because of democratic goals or the nature of the regime it opposed, and it did not make the donor's benign intent a substitute for the statutory inquiry.

The case therefore should focus on the statutory organization category, the conduct, the knowledge rules that Congress actually enacted, and any exemption authority that applies, rather than equitable arguments alone.

The INA Uses Three Terrorist-Organization Categories

INA §212(a)(3)(B)(vi) includes organizations designated under INA §219, other organizations designated through the statutory process, and so-called Tier III groups of two or more individuals that engage in the activities listed in the statute. A group need not appear on the formal Foreign Terrorist Organization list to create immigration consequences.

For Tier III allegations, organization identity and activity are often heavily contested. The record should establish what group existed, during what period, what acts DHS says made it a terrorist organization, and what the respondent knew or reasonably should have known where the statute makes knowledge relevant.

Membership Rules Depend on the Organization Category

The incorporated statute treats membership in designated or otherwise formally listed terrorist organizations differently from membership in a Tier III organization. For a Tier III organization, the statute provides a clear-and-convincing lack-of-knowledge defense in the specified membership provision.

That makes dates and organization classification critical. A case should not assume that the same knowledge standard applies to every organization or every type of terrorism-related allegation.

Representative, Endorsement, and Training Grounds Are Separate Theories

Section 212(a)(3)(B) separately addresses representatives of terrorist organizations or groups that endorse terrorist activity, persons who endorse or espouse terrorist activity or persuade others to do so, and persons who receive military-type training from or on behalf of a terrorist organization.

These provisions should be charged and analyzed distinctly. Public statements, organizational titles, training records, online activity, and witness accounts can carry very different legal significance depending on the incorporated subclause DHS invokes.

The Statute Also Contains a Limited Spouse-or-Child Ground

Section 212(a)(3)(B) can reach the spouse or child of a person inadmissible under the terrorism provision when the underlying activity occurred within the statutory five-year period, subject to the statute's knowledge and renunciation exception for that family-based subclause.

A family relationship therefore should never be treated as automatic terrorism participation. The exact timing, principal's ground, family relationship, and statutory exception must be analyzed.

Section 212(a)(3)(F) Adds a Separate Association Ground

Section 237(a)(4)(B) also incorporates §212(a)(3)(F). That provision concerns a determination that the person has been associated with a terrorist organization and intends while in the United States to engage in activities that could endanger the welfare, safety, or security of the United States.

Association alone is not the full statutory formulation. The determination and intended U.S. activities matter. Counsel should identify whether DHS is actually charging §212(a)(3)(F) rather than one of the more familiar §212(a)(3)(B) theories.

Formal FTO Designation Has Specific Legal Consequences

INA §219, codified at 8 U.S.C. §1189, governs formal designation of foreign terrorist organizations. The statute sets criteria, publication procedures, revocation mechanisms, and judicial review. It also restricts collateral attacks on an effective designation in a removal hearing.

That does not mean every terrorism case involves a formally designated organization. The INA's Tier III definition is broader, so the defense must first determine which organization category DHS relies upon.

Exemption Authority Is Different From an Immigration Judge Creating an Exception

INA §212(d)(3)(B)(i) gives the Secretaries of State and Homeland Security specified discretionary authority to determine that many terrorism-related inadmissibility grounds will not apply in a qualifying case. The statute also imposes express limits: the authority does not extend to the reasonable-ground-to-believe ground in §212(a)(3)(B)(i)(II), and it excludes specified Tier I and Tier II membership, representation, voluntary knowing terrorist activity, endorsement, support, and military-type training circumstances.

The statute assigns this discretionary exemption authority to the Secretaries of State and Homeland Security; it does not confer that authority on an Immigration Judge. It further provides that the Secretary of State may not exercise the §212(d)(3)(B)(i) discretion while the person is the subject of pending removal proceedings under INA §240, 8 U.S.C. §1229a. In that posture, any exercise of the statutory TRIG exemption authority must therefore come from the Secretary of Homeland Security, subject to the statute's other limitations. Duress, insignificant support, routine commercial or social transactions, humanitarian assistance, and other published exemption categories can therefore be critically important, but counsel must identify an actually available exercise of authority and the agency empowered to apply it.

The Evidence Review Must Be Organization and Date Specific

Terrorism-related cases often depend on historical conditions, group structure, aliases, splinter factions, dates of designation, witness credibility, foreign documents, social-media records, intelligence information, or prior immigration statements. A label used today may not describe the organization or respondent's knowledge at the relevant time.

Build a chronology showing the respondent's conduct, the recipient or organization, what the organization was doing then, what the respondent knew, and what evidence DHS has for each statutory element.

Terrorism Findings Can Create Severe Relief Bars

The same terrorism-related facts can affect asylum, withholding, adjustment, waivers, cancellation, and other forms of relief. Material support and other terrorism provisions can operate independently of whether DHS ultimately prevails on every charge listed in the NTA.

Convention Against Torture deferral and other protection questions have their own standards. Relief strategy should therefore begin early and should not wait until the end of the removability hearing.

Bottom Line

INA §237(a)(4)(B) is not a single 'terrorism offense' ground. It incorporates a detailed statutory network covering conduct, support, solicitation, membership, representation, endorsement, training, family relationships, and association. The absence of a terrorism conviction does not end the inquiry.

A reliable defense identifies the exact incorporated subclause, the organization category, the relevant knowledge rule, the respondent's conduct and dates, the available exemption process, and the separate impact on relief from removal.

Primary Legal Authorities and Sources

Frequently Asked Questions

Does INA §237(a)(4)(B) require a terrorism conviction?
No. The ground incorporates conduct, membership, support, representative, endorsement, training, family, and association provisions that do not depend on a criminal terrorism conviction.
Can forced support to an armed group still create a material-support issue?
Yes. Matter of M-H-Z- holds that the statute contains no implied duress exception, although executive exemption authority may be relevant in qualifying cases.
Does the group have to be on the State Department FTO list?
No. The INA also recognizes other designated organizations and Tier III groups that meet the statutory definition even without formal FTO designation.
Is very small support automatically harmless?
No. Matter of A-C-M- rejects a purely quantitative approach and recognizes support that logically and foreseeably helps sustain the organization even to a small degree.
Can family relationship alone create a terrorism-related ground?
The statute contains a limited spouse-or-child provision tied to recent activity of the principal, but it also contains a knowledge or renunciation exception for that family-based subclause.
Why does the exact DHS subclause matter?
Material support, membership, representation, endorsement, training, family relationship, and association have different elements and knowledge rules. A defense should target the precise incorporated provision.
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