Malaysia GST Configuration

Hi

Need help on configuring GST for Malaysia.

Current SAP environment (SD / MM / FICO) in on 4.6C, could you please help on what needs to be deployed (any addons) to complete GST configuration on 4.6 C.

Do we need install any addons of the version is 4.6C ?

and what steps need to be done to configure the same in SD MM and FICO ?

Thanks