<h1>Standard Input-Output Norms guide permissible inputs for calcium carbide exports, requiring import use to match export production.</h1> Standard Input-Output Norms for Calcium Carbide prescribe allowable input proportions and list Raw Petroleum Coke as a specified input; the entry is suspended by public notice. Applicants must ensure imported goods are the actual inputs used or required in producing the stated export product, and permissible input proportions are determined in accordance with the prescribed norms.