(1) United States of America: for single country shipments, enter the letter &quot; Y &quot; in Box 8, for shipments from recognized associations of counties, enter the letter &quot; Z &quot; , followed by the sum of the cost or value of the domestic materials and the direct cost of processing, expressed as a percentage of the ex-factory price of the exported products; (example &quot; Y &quot; 35% or &quot; Z &quot; 35%).
(1) United States of America: for single country shipments, enter the letter &quot; Y &quot; in Box 8, for shipments from recognized associations of counties, enter the letter &quot; Z &quot; , followed by the sum of the cost or value of the domestic materials and the direct cost of processing, expressed as a percentage of the ex-factory price of the exported products; (example &quot; Y &quot; 35% or &quot; Z &quot; 35%).