(a) Except as provided in 225.7018-3 and 225.7018-4, do not acquire any covered material melted or produced in any covered country, or any end item, manufactured in any covered country, that contains a covered material (10 U.S.C. 2533c).
(b)(1) For samarium-cobalt magnets and neodymium iron-boron magnets, this restriction includes -
(i) Melting samarium with cobalt to produce the samarium-cobalt alloy or melting neodymium with iron and boron to produce the neodymium-iron-boron alloy; and
(ii) All subsequent phases of production of the magnets, such as powder formation, pressing, sintering or bonding, and magnetization.
(2) The restriction on melting and producing of samarium-cobalt magnets is in addition to any applicable restrictions on melting of specialty metals at 225.7003 and the clause at 252.225-7009, Restriction on Acquisition of Certain Articles Containing Specialty Metals.
(c) For production of tungsten metal powder and tungsten heavy alloy, this restriction includes–
(1) Atomization;
(2) Calcination and reduction into powder;
(3) Final consolidation of non-melt derived metal powders; and
(4) All subsequent phases of production of tungsten metal powder, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy.