Standard Input Output Norms notified in Handbook of Procedures to operationalize the Duty Exemption Scheme and Annexure inclusion. Standard Input Output Norms for the Duty Exemption Scheme are incorporated into the Handbook of Procedures, 1997-2002 Vol. 2 and notified in Annexure I to the Public Notice, aligning with Chapter 7 of the Export and Import Policy as the operative source of approved norms for duty exemption claims.