Last reviewed September 6, 2026
Overview: S classification is a narrowly controlled program for certain witnesses or informants whose assistance is important to qualifying law-enforcement matters. It requires government sponsorship and interagency approval. A person cannot independently obtain S status by sending USCIS information about a crime.
S-5, S-6 and family
S-5 concerns qualifying information about criminal organizations or enterprises. S-6 concerns specified terrorism-related information and additional statutory conditions. These are distinct requirements, not interchangeable labels for anyone who cooperates with police.
Certain family members may be included through S-7 under the applicable rules and government request. Family eligibility is not established merely by listing relatives in a personal letter.
The program has small statutory limits for principal classifications. Those admission limits are not a single annual cap on all later green-card adjustments, including relatives.
The agency controls the request
The responsible law-enforcement agency evaluates whether the information and person’s circumstances warrant sponsorship. Form I-854A is the interagency request for S classification. Department of Justice and immigration authorities perform the required review.
The agency must follow its authorized procedures; a supportive remark from an individual officer is not an approved S case. The responsible agency controls sponsorship and the handling of information through those procedures. A public website cannot initiate or approve that process.
What happens in an approved case?
- The agency prepares and routes the request and supporting information.
- The required agencies assess classification and any necessary inadmissibility issues or waivers.
- If the person is abroad, the approved case proceeds through the applicable visa and admission process.
- The person complies with the specific reporting, cooperation and other conditions imposed on the classification.
S status is generally limited to three years. It comes with unusual restrictions, including required acknowledgments concerning immigration proceedings and the route to permanent residence. Have those conditions explained before signing them.
Employment documentation and travel operate through the responsible agency and applicable USCIS procedures. A pending request does not itself permit work, travel or unrestricted residence.
A green card is a separate government-supported process
Adjustment under the special S provision requires the statutory conditions and agency certification of the qualifying assistance. Form I-854B is used by the agency to request that the S nonimmigrant be allowed to apply for adjustment. It is distinct from the initial I-854A request.
Completion of three years does not automatically produce permanent residence. Cooperation must satisfy the required legal findings, and the applicant must complete the authorized adjustment process.
How S differs from U and T
U concerns qualifying crime victims who meet its harm, helpfulness and certification requirements. T concerns victims of severe trafficking who meet its separate requirements. S is an agency-sponsored witness/informant program. Being a witness or victim does not automatically establish any one of these categories.
Official sources
- Department of Justice: S classification
- USCIS: I-854 instructions
- Department of State: S, T and U guidance