Input-output norms for sodium nitrite imports under FTP; applicants must ensure imported inputs match export product. Standard FTP input-output norms for Sodium Nitrite (Soda Ash route) specify proportions of soda ash, ammonia and trace catalysts per metric tonne and impose a compliance obligation on applicants to ensure imported inputs correspond to the declared export product; the FTP entry is suspended by Public Notice No. 03/2024-25.