U.S. Naturalization Compliance Guides

Continuous Residence vs. Physical Presence for U.S. Citizenship

A detailed comparison of the continuous residence and physical presence requirements for Form N-400 naturalization.

Understanding Physical Presence Requirements for U.S. Naturalization

A comprehensive guide to understanding how the USCIS calculates cumulative physical presence days for your Form N-400 application.

The Green Card to Citizenship Timeline: Step-by-Step Path

A comprehensive guide to understanding the timeline, residency requirements, and procedural stages for U.S. naturalization.

CBP Travel History Missing Land Border Crossings: How to Reconstruct Your Logs

Learn how to identify, correct, and manually add missing land border crossings to Canada or Mexico on your citizenship application.

How to Export Your Travel History from the CBP I-94 Website

A complete step-by-step tutorial on retrieving, copying, and exporting your official U.S. travel logs online.

Does the Day You Fly Count as a Day Outside the United States?

An in-depth look at the USCIS partial-day rule and how to count departure and arrival days for U.S. citizenship.

When Can I Apply for U.S. Citizenship? Filing Window Rules

A detailed guide on calculating your naturalization early filing date, including leap years and statutory lookback rules.

What Happens If I Forget a Trip on My N-400 Application?

Step-by-step guidance on how to report and correct forgotten or omitted international trips during your naturalization interview.

CitizenCalc N-400 Travel History Calculator User Guide

Learn how to use CitizenCalc's privacy-first tool to parse CBP text, auto-pair exit and entry events, and print a USCIS-ready attachment.

Documents to Prove Continuous Residence for Form N-400

A comprehensive checklist of evidentiary documentation required to demonstrate U.S. continuous residence at your naturalization interview.