<h1>Input proportion determination requires importers to ensure imported inputs correspond to those used in hard board exports under FTP.</h1> A procedural compliance rule requires determination of the proportion of inputs used in manufacture of Hard Board; applicants must ensure that goods applied for importation and actually imported are those used or required in the exported Hard Board. The document lists operative input items and per metric ton quantities for one metric ton of Hard Board which form the benchmark for import entitlement.