Additional RFQ Condition Types

Dear All ,

I am trying to create a RFQ .The condition types I can find init to maintain are

P000 : Gross Price

R000 : Discount On gross

R001 : Discount Of quantity

R002 : Absolute Discount

R003 : Discount % on net

But my client requires more condition types like Packing & Forwarding ,Excise , CESS , VAT /CST , FREIGHT .

I want to know how I will enter these condition types in RFQ . How RFQ is having this procedure ? This is not picked from vendor schema group .