<h1>Input-output norms for rayon viscose filament yarn require verification imports are actually used in exports.</h1> Standard input-output norms for rayon viscose filament yarn specify permissible raw material inputs per unit of finished yarn, including wood pulp, caustic soda, carbon disulphide, electrolytic zinc, coning oil, titanium dioxide and coal, with coal allowed only under an actual user condition for units with captive power generation. Applicants must determine proportionate input usage for resultant products and ensure imported goods are those actually used or required in the export product, subject to verification and compliance with the prescribed norms.