<h1>Standard Input-Output Norms require specified input proportions for woollen blended knitwear and verification of imported inputs' use.</h1> Standard Input Output Norms under SION J141 prescribe specific inputs and their proportions for hosiery/knitwear made of woollen blended yarn, including a synthetic woollen blended yarn containing synthetic fibres (acrylic, polyester, nylon) and use of perchloroethylene measured relative to wool/animal hair content. Applicants must ensure imported inputs are those actually used or required in the export product, and schedules govern determination of input proportions for resultant products.