;s system for categorizing customers and offering debentures according to the customer classification, as well as its supervision were insufficiently stringent because CL did not inspect that the

trading shares in the SET. He also gained benefits from which his IFEC shares of more than 57.46 million used as the collateral for his margin trading were not subject to force selling. As a result, he

's system for categorizing customers and offering debentures according to the customer classification, as well as its supervision were insufficiently stringent because CL did not inspect that the