Citizenship and Naturalization
Publication Date
![An image of the first page of the N-400 Documentation Guide](/sites/default/files/styles/scaled_350/public/2025-02/N-400%20Documentation%20Guide.jpg?itok=JEyya4UO)
In 2024, USCIS issued a new Form N-400, Application for Naturalization, with more lengthy and complicated instructions on evidence that could be included. This guide will help practitioners understand what documents naturalization applicants must submit to the USCIS to accept and adjudicate the N-400 form and when to submit each document.