The i94 form, also known as the Arrival and Departure Record, is a critical document used by the United States Department of Homeland Security (DHS) to track and manage the entry and exit of foreign nationals into the country. For anyone visiting the U.S. temporarily—whether for tourism, business, or other short-term purposes—the I-94 plays an essential role in documenting their legal entry, the date of arrival, the duration of their stay, and other crucial details. This article provides an overview of the I-94, explaining its importance, how to obtain one, and the role it plays in the immigration process.