Nuances around creating additional Temporary assignment as Primary = YES

Summary:

What considerations to keep in mind when you create the additional temporary assignment as Primary = YES in a single Primary Work relationship.

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Summary:
We are on 25A
We have 1 legal employer and 1 work relationship at any given time.
We do have multiple assignments in the single work relationship.

Now, out of the box, when you create an additional temporary assignment, Oracle keeps the home/ original assignment as PRIMARY=YES and the additional (-2) assignment is created as PRIMARY = NO.
When you end this Temporary Assignment, the system automatically makes the (-2) as