Can item prices updated back to Blanket Agreement?

Hi,

We have a scenario, we're maninting our item prices in Global Blanket agreement. Subsequently we created the sourcing rule and ASL to default the Supplier, Supplier site and pricing information on PO.

Test case:

ITEM - ITEM-X

Price in BPA is $10

But buyer created a PO for ITEM-X with price 15 and we would like to update this item price back to the blanket agreement to reflect the latest price of the item.

Is this possible without customizations? if yes, please explain.

Thanks,

Ram