What is best practice for handling employees that are hired but never start work.

We have employees that go into the system but never actually work and need to be termed . We wanted to avoid deleting the id as if we do that any downstream applications would not get updated with the termination information. We were trying to avoid hiring and terming on the same day but I understand from research that this is not a big a problem on versions after 8.9 because versions after that capture what the empl status would have been for every effseq row using the dates in JOB. On salaried employees if we enter the