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How do the authorities confirm that I cooperated?

Cooperation for the U visa is confirmed by official documents and records that prove assistance in investigations, essential for protection and residence in the US.

Written by

Victoria Harper

Editor-in-Chief

Updated on January 12, 2026
2 min read
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The U visa is an important tool for crime victims who, by cooperating with investigations, can obtain protection and a pathway to reside in the United States. In this context, one of the questions that frequently arises is: how do the authorities confirm that the person cooperated with the investigations? Confirmation of cooperation is primarily achieved through documentary evidence and direct communication between law enforcement authorities and the applicant. For example, a formal certification is usually required via Form I-918, Supplement B, where the agency responsible for the investigation – whether police, federal, or from another jurisdiction – states that the person is assisting with the case. This document is fundamental, as it officially attests that the collaboration occurred, helping to establish the individual”s commitment to contribute to the investigation or criminal process.

In addition to this document, it is common for records of depositions, expert reports, and other types of evidence – such as police reports and copies of attendance records at hearings or investigations – to be collected and evaluated. In many situations, the history of cooperation is analyzed jointly to confirm whether there was a continuous and genuine effort to help the authorities in pursuing the crime.

It is important to emphasize that during this process it is essential to follow all rules and guidelines established by United States immigration laws. Given the complexity of the system, it is advisable to seek information from reliable sources and avoid falling for offers or advertisements that promise guaranteed results, as the process depends on a thorough analysis of each case and compliance with legal requirements. Also remember to stay informed and be cautious with companies or advertisements that may offer simplistic solutions for such complex situations.

In summary, proof of cooperation is based on a combination of official documents and records of interaction with police and judicial authorities. These elements, gathered and verified, form the basis for the necessary certification that enables the U visa application. Always pay attention to the clarity, consistency, and integrity of the documentation presented, as these factors are decisive in the evaluation of your cooperation and, consequently, the success of your visa application.

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Victoria Harper

Editor-in-Chief

Meet the author

Leading journalism and editorial content at Visto n’ Visa, Victoria helps make immigration topics clear, trustworthy, and easy to understand. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

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How do the authorities confirm that I cooperated?

Cooperation for the U visa is confirmed by official documents and records that prove assistance in investigations, essential for protection and residence in the US.

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