data klPossible category> values are rapid-bus-kl, rapid-bus-mrtfeeder, rapid-bus-kuantan and rapid-bus-penang.. rapid-rail-kl, for which static endpoint is available, does not yet have stablee-Invoice Implementation DataKL is already implementing an Electronic Invoicing (e-Invoice) system in accordance with the Inland Revenue Board of Malaysia's (IRBM) guides.Our self