"Produced in the United States" shall mean:

     (i) With regard to iron or steel products, that all manufacturing processes for such iron or steel products, from the initial melting stage through the application of coatings, occurred in the United States.

     (ii) Steel or iron material or products manufactured abroad from semi-finished steel or iron from the United States are not "produced in the United States" for purposes of this memorandum.

     (iii) Steel or iron material or products manufactured in the United States from semi-finished steel or iron of foreign origin are not "produced in the United States" for purposes of this memorandum.