9818.00.05 | 00 | Spare parts necessarily installed before first entry into the United States, upon first entry into the United States of each such spare part purchased in, or imported from, a foreign country | | The rate applicable in the absence of this subheading on the cost of such parts | Free (BH,C,CA,E, IL,J,JO,MA, MX,P) The rate applicable in the absence of this subheading on the cost of such parts (AU,CL,SG) | 50 percent of the cost of such parts |