In min-max level planning, is there a way to create a picking rule for replenishment type of orders?

Summary:

In min-max level planning, is there a way to create a picking rule for replenishment type of orders. So that whenever the program is triggered it will pick the materials in a sequence and based on the descending or ascending rule.

Content (required):

We have setup a min- max level planning for few items and the setup is done at the subinventory level. In that screen we do have an option to select the source subinventory but the user does not want to restrict the pick of material to a specify subinventory as this is causing them delay in replenishing the items. If the source subinventory is left empty then they want the picking process to happen in a sequence. We need to setup a picking rule for this kind of movement request were the transaction type is replenishment. Can this be done