8 CFR § 215.21 - Purpose.

---
identifier: "/us/cfr/t8/s215.21"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "8 CFR § 215.21 - Purpose."
title_number: 8
title_name: "Aliens and Nationality"
section_number: "215.21"
section_name: "Purpose."
chapter_name: "DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "B"
subchapter_name: "IMMIGRATION REGULATIONS"
part_number: "215"
part_name: "CONTROLS OF ALIENS DEPARTING FROM THE UNITED STATES; ELECTRONIC VISA UPDATE SYSTEM"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "6 U.S.C. 202(4), 236; 8 U.S.C. 1101, 1103, 1104, 1184, 1185 (pursuant to Executive Order 13323, 69 FR 241, 3 CFR, 2003 Comp., p. 278), 1357, 1365a and note, 1365b, 1379, 1731-32; and 8 CFR part 2."
regulatory_source: "45 FR 65516, Oct. 3, 1980, unless otherwise noted."
cfr_part: "215"
---


# 215.21 Purpose.

The purpose of this subpart is to establish an electronic visa update system for nonimmigrant aliens who hold a passport issued by an identified country containing a U.S. nonimmigrant visa of a designated category.