32 CFR § 507.14 - Controlled heraldic items.
The articles listed in § 507.8 of this part are controlled heraldic items and will be manufactured in accordance with Government specifications using Government furnished tools or cartoons. Tools and cartoons are not provided to manufacturers for the items in paragraphs (a) through (e) of this section. However, manufacture will be in accordance with the Government furnished drawings.
(a) Shoulder loop insignia, ROTC, U.S. Army.
(b) Institutional SSI, ROTC, U.S. Army.
(c) Background trimming/flashes, U.S. Army.
(d) U.S. Air Force organizational emblems for other than major commands.
(e) Hand embroidered bullion insignia.