Section 129.4 - Requirement for approval(a) Except as provided in § 129.5 , no person who is required to register as a broker pursuant to § 129.3 of this subchapter may engage in the business of brokering activities pursuant to § 129.2(b) without first obtaining the approval of the Directorate of Defense Trade Controls for the brokering of any of the following:(1) Any foreign defense article or defense service enumerated in part 121 of this subchapter (see § 120.39 of this subchapter, and § 129.5 for exemptions) and those foreign origin items on the U.S. Munitions Import List (see27 CFR 447.21 ); or(2) Any of the following U.S. origin defense articles or defense services:(i) Firearms and other weapons of a nature described by Category I(a) through (d), Category II(a) and (d), and Category III(a) of § 121.1 of this subchapter or Category I(a) through (c), Category II(a), and Category III(a) of the U.S. Munitions Import List (see27 CFR 447.21 );(ii) Rockets, bombs, and grenades as well as launchers for such defense articles of a nature described by Category IV(a), and launch vehicles and missile and anti-missile systems of a nature described by Category IV(b) of § 121.1 of this subchapter (including man-portable air-defense systems);(iii) Vessels of war described by Category VI of § 121.1 of this subchapter;(iv) Tanks and military vehicles described by Category VII of § 121.1 of this subchapter;(v) Aircraft and unmanned aerial vehicles described by Category VIII of § 121.1 of this subchapter;(vi) Night vision-related defense articles and inertial platform, sensor, and guidance-related systems of a nature described by Category XII(c) and (d) of § 121.1 of this subchapter;(vii) Chemical agents and precursors described by Category XIV(a), (c), and (e) of § 121.1 of this subchapter, biological agents and biologically derived substances described by Category XIV(b) of § 121.1 of this subchapter, and equipment described by Category XIV(f) of § 121.1 of this subchapter for dissemination of the chemical agents and biological agents described by Category XIV(a), (b), and (e) of § 121.1 of this subchapter;(viii) Submersible vessels described by Category XX of § 121.1 of this subchapter; and(ix) Miscellaneous articles of a nature described by Category XXI of § 121.1 of this subchapter.78 FR 52691, Aug. 26, 2013, as amended at 85 FR 3833, Jan 23, 2020; 87 FR 16426, Mar. 23, 2022 85 FR 3833, 3/9/2020; 87 FR 16411, 9/6/2022