CST & VAT configuration in TAXINJ Procedure

Dear Sir,

Could you please let us know , how can we configure the CST and VAT in TAXINJ procedure. i am really confused in tax code assignment in V11 and VK12.

Please give me step by step configuration of CST and VAT in TAXINJ procedure. i checked with SDN before posting and answers are good but i require more clarification to understand the issue.

Thanks

Shibu Chandran