Follow below steps to create Gen. Bus Posting Group:
1, Search "Gen. Bus Posting Group"
2, Click "New" & enter the related information:
(1) Code
(2) Description of the Code
(3) Def. GST Bus. Posting Group that will be automatically inserted if choosing the code in Customer / Vendor Card
(4) Check the box to automatically insert the GST Bus. Posting Group if filled the Code in the Customer / Vendor Card