Standard Input Output Norms amendment updates toothbrush export input requirements, adding PBT filament and specifying input output quantities. Amendment to SION H-331 revises input requirements for toothbrush exports: relevant polymer for handles (1.05 kg/kg export product as an alternative), toothbrush handles (net + 2% wastage), relevant nylon monofilament or Polybutylene Terephthalate filament (1.05 kg/kg export product), and aluminium/nickel/nickel-silver/brass wire (1.01 kg/kg export product). The Public Notice adds Polybutylene Terephthalate filament to the permitted inputs at S. No. 2.