UN 3314 Plastics moulding compound Class 9 PG III (PI 957) must be listed on the NOTOC and the captain must be advised of the loading. Items not needed to be listed on the NOTOC are listed on DGR Table 9.5.A. UN 3314 is not shown on this Table. RSB is to be used for Cargo IMP Code. The footnote shown under DGR 7.3.18 Figure 7.3.W, explains that, as applicable, Cargo IMP Codes RMD, ICE, RLI, RLM or RSB need to be assigned. For Polymeric beads and Plastics moulding compound, RSB must be used and must be subject to PI 957.