Revision Control of Items

 My issue is for Revision Control items on a job. My issue is having multiple revisions in WIP at the same time, and how Oracle deals with this effectively. What I'm seeing is as follows:

Item #12345 is revision controlled and has a revision of AA.

An ECO is generated, upreving this part (and the assembly it is on will also be uprev'd, let's assume both will be rev AB). The effective date of the ECO is Wednesday, March 17th.

My issue is that I have a job starting on Monday, March 15th. It is rev AA of the assembly, and it is using rev AA of item 12345 (finishing off the last of this material). But, if I don't issue the parts to the job (pull) until Thursday, March 16th, Oracle will automatically try to issue item 12345 rev AB, instead of rev AA which is on the job. The problem is that now what is issued to the job, does not match what in reality I have built, which can run in very large problems for our medical