Standard Input-Output norms suspended for specific chemical; importers must ensure inputs correspond to declared export use requirements. Standard Input-Output norms list permitted input proportions for manufacturing N-(1,3 Dimethyl-Butyl)-N-Phenyl-P-Phenylene Diamine (A721), note suspension by Public Notice No. 03/2024-25 dated 03-05-2024, and require applicants to ensure imported goods are those used or required in the declared export product.