We are still waiting for the refinement of the software due to new details announced in yesterday from RMCD Custom’s FAQ as at 5pm.
Appreciate your kind patience for the release of the new version of the software.
Meantime, you may have a good read on the FAQ enclosed.
Source from Official Website: Royal Malaysian Customs Department
http://gst.customs.gov.my/en/hl/_layouts/customapplication/announcementDetails.aspx?ID=256