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USCIS’s Lockbox provides filing tips for Forms N-600, N-600K, and N-336, to help stakeholders ensure that applications are properly accepted at the Lockbox facility.

What You Need to Know
On April 1, 2024, as part of the new fee rule, USCIS will release a new version of Form N-400, Application for Naturalization. The new version of the form changes many data elements, including adding a gender X option as another gender identity and removing several other fields.