Form I 918 Supplement B U Nonimmigrant Status Certification
Use a Form I 918 Supplement B template to make your document workflow more streamlined.
What Form I-918 Supplement B does
Form I-918 Supplement B, U Nonimmigrant Status Certification, is a law-enforcement certification supporting a qualifying victim’s U nonimmigrant status petition. A qualifying federal, state, or local agency, prosecutor, judge, or other authorized certifying official confirms the person’s helpfulness, knowledge, and assistance in the investigation or prosecution of qualifying criminal activity. The certification is not the complete Form I-918 petition and does not itself grant immigration status. The authorized official must complete and sign the required sections, while USCIS decides the petition.
Who benefits from a controlled certification workflow
The document is prepared around an authorized certifying agency, while representatives and administrators coordinate review, signature, and preservation.
Immigration attorneys and accredited representatives coordinate the supplement, verify that the certifying agency completed its sections, and keep the signed certification aligned with the separate Form I-918 petition package. Law-enforcement agencies and prosecutors use the document to record an authorized official’s certification of the victim’s helpfulness, knowledge, and assistance in a qualifying criminal investigation or prosecution. Local government offices manage distributed certification requests by assigning authorized signers, tracking completion, and preserving the final supplement with controlled access and audit evidence.
These tasks are executed by both individual contributors and centralized administrators depending on organizational policy and required controls.
Who uses Form I-918 Supplement B
Certifying agencies
A federal, state, or local law-enforcement agency, prosecutor, judge, or authorized agency official completes the certification after reviewing the person’s helpfulness and assistance.
Immigration representatives
An immigration attorney or accredited representative may coordinate the signed supplement with the certifying agency, but USCIS—not the representative—decides the underlying U petition.
Complete Form I-918 Supplement B
Prepare the certification carefully, route it to the authorized official, and retain the completed record with its signing evidence.
Upload the form:
Upload the current Form I-918 Supplement B template and check every required certification field. Review details:
Review the victim, agency, and certifying-official information for accuracy. Add signer:
Assign the authorized certifying official and send the certification for signature. Archive records:
Track completion, download the signed PDF, and preserve its audit trail.
Avoidable Form I-918 Supplement B errors
Using an outdated USCIS edition can create inconsistent fields and require the certifying agency to review corrected paperwork. A person without delegated authority may sign the supplement, leaving the certification vulnerable to rejection or agency questions. Descriptions that do not connect the victim’s assistance to qualifying criminal activity may fail to support the certification’s required purpose. Submitting the supplement without coordinating the certifying agency’s process can delay the separate Form I-918 petition package.
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Recommended Form I-918 workflow setup
Use a controlled workflow that identifies the certifying official, preserves signer evidence, and separates agency retention requirements from platform configuration.
| Setting | Recommendation |
|---|---|
| Authentication method | Email verification with SMS OTP |
| Signature type | Typed or drawn electronic signature |
| Audit trail | Export with completed PDF |
| Document retention | Agency-approved case schedule |
| Encryption | TLS 1.2/1.3 and AES-256 |
Choose a signing method for Form I-918 Supplement B
- Use the signNow web app when legal staff prepare the USCIS supplement on a desktop and need to review every certification field before sending.
- Use the signNow mobile app when an authorized official must review and sign Form I-918 Supplement B away from the office.
- Use kiosk mode when an agency controls an in-person signing station and supervises the official’s access to the certification.
- Use a shareable signing link when the authorized official needs direct access without creating a separate signNow account.
Processing stages for Form I-918 Supplement B
No universal turnaround period is established in the supplied authorities; coordinate each stage with the certifying agency and filing plan.
Prepare certification
Deliver to official
Obtain official signature
Complete and archive
Retain Form I-918 Supplement B records
Preserve the certification, supporting evidence, and audit history under a documented schedule that reflects USCIS instructions and agency requirements.
Separate immigration records from unrelated schedules
Export the audit trail with the signed PDF
Archive sensitive records securely
Document the applicable retention authority
Security controls for Form I-918 records
Transport encryption:
Storage encryption:
Security certification:
Information security:
Sensitive data:
Electronic signatures:
Features for Form I-918 Supplement B workflows
signNow organizes preparation, official review, electronic signing, and record preservation around the specific certification document.
Structured fields
Keeps the certifying agency’s required information organized while reducing transcription between the prepared PDF and the signing workflow.
Signer routing
Routes the supplement to the designated official instead of relying on informal email attachments and manual follow-up.
Audit trail
Records delivery, viewing, signing, and completion events for the Form I-918 Supplement B file.
Mobile access
Supports signers reviewing the certification from a desktop or mobile device before signing.
Record export
Preserves a completed PDF and related signing evidence for controlled case-file storage.
Data protection
Uses encryption and signNow compliance controls for sensitive immigration-related information.
Risks of inaccurate certification
Unauthorized signature
Incomplete certification
Unclear helpfulness
Missing audit record
Form I-918 Supplement B troubleshooting
Resolve field, signer, access, audit-trail, and electronic-signature questions before the completed certification enters the USCIS filing package.
Upload the current USCIS PDF again, then use signNow’s field detection and manually inspect every required field. Do not rely on automatic placement for agency-specific information, official capacity, or narrative certification details.
Confirm that the recipient is the authorized certifying official or a properly delegated signer. signNow can route the document, but USCIS and the agency determine whether the person has authority to certify.
The signNow Business plan includes templates and audit trails at $8 per user per month with annual billing. The plan price does not replace USCIS filing rules or agency approval procedures.
Use signNow’s audit trail to review delivery, access, signing, timestamps, and document history. Export it with the completed PDF, then store both under the agency’s approved case-record schedule.
signNow supports ESIGN and UETA-compliant electronic signatures, but those frameworks do not decide whether a certifying agency accepts electronic Form I-918 Supplement B signatures. Confirm the agency’s process before sending.
If the official cannot open the document, resend the invitation or provide a controlled signing link after verifying the email address. Business Premium adds quick invite links and kiosk mode at $15 per user per month annually.
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