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Tip Sheet: How to Avoid Common Mailing Errors When Filing with the USCIS Lockbox

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The CIS Ombudsman has worked with USCIS on the following tip sheet on how to avoid common mailing errors when filing with the USCIS Lockbox. The CIS Ombudsman is providing this information to help you navigate recent changes to USCIS Lockbox filing locations. Please see the attached document for more information on best practices.

Attachment Ext. Size Date
How to Avoid Common Mailing Errors When Filing with the USCIS Lockbox PDF 257.66 KB 12/23/2021
Last Updated: 04/12/2022
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