For more detail about the filling the GST-03, please browse to below link.
http://gst.customs.gov.my/en/rg/SiteAssets/gst_forms/Panduan%20Mengisi%20Borang%20GST-03%20as%20at%2030%20Julai%202015.pdf
http://gst.customs.gov.my/en/rg/SiteAssets/gst_forms/Panduan%20Mengisi%20Borang%20GST-03%20as%20at%206.8.15.pdf
http://gst.customs.gov.my/en/rg/SiteAssets/gst_forms/GST-03%20Guidelines%207.2.1828Kemaskini%20item%2015_29.pdf
Updated As At 05 Feb 2018
http://gst.customs.gov.my/en/rg/Pages/rg_asg.aspx
Below is the detail Tax Code Posted in the GST-03 Detail
*** Reflect to GST-03