Credit Check at Sales Order Creation & Delivery Creation levels

Hi

I am using Dynamic Credit check, Assigned credit group (with block) in OVAK for Sales Orders and for delivery types also assigned credit group.

Issue is while creating Sales Order system is doing dynamic credit check and blocking the sales order but delivery block is not happening, then i am releasing block in VKM3. but while creating Delivery system is not doing dynamic credit check.

requirement is in both levels system should check the credit check.

Can any plz guide me.

Prasad