Remove Rebate Condition Type on VA01

Dear all,

we have issue with getting rebate condition type record in Sales Order.

in IMG Assign Condition Types/Tables To Condition Type Group, we defined two rebate condition tables because of requirement and i think this is the issue. so it might the solution using user exit to solve this.

we chave configured agreement: 4 two rebate conditions

1- 10% and

2- 30% &

agreement: 9 configured one rebate 25%.

the issue is when make sales order on va01 it should bring only 10% from agre-4 & 25 from agre-9. but it is bringing all rebate condition type record. ( show: 10%, 25%, & 30%(

we tried to use ueser exit to remove un-want condition type. but we need more help please.

USEREXIT_XKOMV_ERGAENZEN

so, how can we remove un want rebate condition type record on creating sales order on va01?

thanks.

MAQ