<h1>SION entry suspended: Input-output norms require 0.520 kg pyridine per kg 4-benzylpyridine; imports must match declared inputs</h1> Standard input-output norms for 4-benzylpyridine under Chemicals & Allied Products note that the SION entry is suspended by public notice; the table shows that producing 1 kg of 4-benzylpyridine requires 0.520 kg of pyridine. The determination governs proportions of inputs usable or required for manufacturing specified resultant products. Applicants must ensure imported goods correspond to inputs actually used or required in the export product and that imports match declared input-use for production.