How does USCIS evaluate recommendation letters?

USCIS does not perform a formal validation of letters one by one through any automated check. What happens instead is an assessment: officers read the recommendation letters as part of the full body of evidence in the O-1 petition and weigh the significance of each one.

In that review, certain factors tend to carry more weight:

• Who signs: the authority and relevance of that person within the field.
• Consistency and specificity: concrete details matter more than generic praise.
• Fit within the overall record: whether the letter reinforces the same narrative as the other evidence, such as awards, publications, and participations.

Vague, generic, or internally inconsistent letters tend to raise questions about credibility. It therefore helps for each author to explain their own qualifications and why they are in a position to recommend, noting the professional or personal relationship with the applicant.

Because the review is qualitative and each case has its own particularities, it is worth preparing a coherent body of documentation and checking the latest USCIS guidance, ideally with the support of a specialist. No single letter, on its own, guarantees the outcome.

About the author

Victoria Harper

Editor-in-Chief

Meet the author

As a journalist and lead editor at Visto n’ Visa, Victoria helps ensure that immigration topics are covered in a clear, trustworthy, and easy-to-understand way. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.