Hi CIN tab in customer master

Hi,

In customer master data I want to activate CIN tab . In which transaction I need to activate that tab.

We are using TAXINN tax procedure in our project.

Excise details (percentage) where I need to maintain in SD (VK11 or VK 19)or I need to copy from FI.

In case of CST and LST where do I maintain I need to maintain the tax details in SD or that details will get copied from FI.

In case if I need to maintain in SD which combination I need to maintain.

Please help me.

thanks.