USCIS

Form G-1566

Representation & Business (G Series)

Request for Certificate of Non-Existence

Use Form G-1566 to determine if specific immigration records exist within our database. If we determine the records you inquired about do not exist, we will issue a Certificate of Non-Existence.

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Plain English

Request for Certificate of Non-Existence is an official immigration form filed with U.S. Citizenship and Immigration Services. Complete it accurately with all required information and supporting documents to avoid processing delays. For step-by-step guidance, open it in the AI Editor.

Quick Facts

Who: Attorneys, accredited representatives, and individuals filing certain USCIS applications that require representation or specific procedural forms.
What: Request for Certificate of Non-Existence — a procedural USCIS form used for attorney representation, biometric services, fee payments, information requests, or other administrative purposes.
When: At the time of filing the related application or when the specific service is needed.
Where: Filed with USCIS along with the related application or submitted separately as instructed.
Why: USCIS requires certain procedural forms to process applications, authorize representatives, and collect fees.
How: Complete the required information, attach to the underlying application if applicable, and submit to the correct USCIS address.

Common Risks & Mistakes

  • •Incorrect or incomplete biographical information — double-check all names and dates
  • •Missing the filing deadline — some USCIS forms have strict filing windows
  • •Insufficient supporting documentation — provide thorough evidence for your application
  • •Not paying the correct filing fee — USCIS rejects incorrect payments
  • •Failing to respond to Requests for Evidence within the deadline

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Field-by-Field Guide

Applicant Info
Full Legal NameREQUIREDtext

Your current legal name.

Date of BirthREQUIREDdate

MM/DD/YYYY.

A-Numbertext

Alien Registration Number if previously assigned.

Details
Basis for ApplicationREQUIREDtext

The specific reason or legal basis for filing this form.

Evidence
Supporting DocumentationREQUIREDtext

List of documents supporting this application.

Signatures
Applicant SignatureREQUIREDsignature

Sign under penalty of perjury.

Date of SignatureREQUIREDdate

MM/DD/YYYY.

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Disclaimer: We do not provide legal advice. We translate legal language into plain English and help you prepare for a conversation with a lawyer.