Sports balls input-output norms require imported inputs to match prescribed components and quantities under FTP standards. FTP input output norms specify composition and per unit quantities for size 1 sports balls made of synthetic rubber nitrile/SBR with cotton or polyester/viscose fabric layers and butyl or latex bladders; listed inputs include rubber compound, fabric per layer, bladders, adhesive and ink. Certain import items were suspended or deleted by public notice. Applicants must determine permissible input proportions and ensure imported goods are those actually used or required in the export product.