71. Each label conforming to the model in Figure 5 of the Thirteenth Schedule shall be stated with the criticality safety index (CSI) as stated in the certificate of approval for special arrangement or the certificate of approval for the package design issued by the NRRC.
72. For overpacks and freight containers, the criticality safety index (CSI) on the label shall bear the information required in Article 71, totaled together for the fissile contents of the overpack or freight container.