Section 960.13 - Licensee-requested modification after license issuance(a) The licensee may request in writing that the Secretary modify the license after the license is issued. Such requests should include the reason for the request and relevant supporting documentation.(b) If the Secretary determines that the requested modification of a license would result in its re-categorization from Tier 1 to Tier 2 under § 960.6 , the Secretary shall notify the licensee that approval would require issuance of the conditions in § 960.9 , and provide the licensee an opportunity to withdraw or revise the request.(c) If the Secretary determines that the requested modification of a license would result in its re-categorization from Tier 1 or 2 to Tier 3 under § 960.6 , the Secretary shall consult with the Secretaries of Defense or State, as appropriate, to determine whether approval of the request would require additional temporary conditions in accordance with the procedures in § 960.10 . If so, the Secretary shall notify the licensee that approval would require such additional temporary conditions, and provide the licensee an opportunity to withdraw or revise the request.(d) The Secretary shall approve or deny a modification request after consultation with the Secretaries of Defense and State as appropriate, and shall inform the licensee of the approval or denial within 60 days of the request, unless the Secretary and the applicant mutually agree to extend this review period.