22 C.F.R. § 123.21 Duration, renewal and disposition of licenses.
Title 22 - Foreign Relations
(a) A license is valid for four years. The license expires when the total value or quantity authorized has been shipped or when the date of expiration has been reached, whichever occurs first. Defense articles to be shipped thereafter require a new application and license. The new application should refer to the expired license. It should not include references to any defense articles other than those of the unshipped balance of the expired license. (b) Unused, expired, expended, suspended, or revoked licenses must be returned immediately to the Department of State.
Title 22: Foreign Relations
PART 123—LICENSES FOR THE EXPORT OF DEFENSE ARTICLES
§ 123.21 Duration, renewal and disposition of licenses.
