<h1>Suspension of polyester button (H379) imports: exporters must ensure imported polyester resin matches declared input proportions</h1> Standard input-output norm lists polyester buttons (H379) with an output of 1 kg requiring 1.05 kg of polyester resin; the entry is currently suspended by public notice. The schedule governs determination of permissible proportions of inputs for manufacturing specified products and requires applicants to ensure that imported inputs correspond to those used or required in the export product. Applicants remain responsible for verifying that goods imported match the declared usage in production of the exported articles.