<h1>Input-output norms require imported inputs to match prescribed proportions for manufacture of galvanised bolts under FTP.</h1> Standard input-output norms prescribe specific input coefficients for manufacture of galvanised bolts, listing alternative mild steel forms and a defined zinc content per unit of finished product. Schedules provide the mechanism for determination of usable input proportions and impose a compliance obligation on applicants to ensure imported goods correspond to the inputs actually used in the export product.