Are there any ideas out there as to what process could be set up to accommodate the possibility of Leaves that are cancelled AFTER an approval?  Here are my initial thoughts:

• This can be done, certainly, by not closing the form after approval.
  • Form is approved;
  • Applicant is Emailed about Approval;
  • Form sits until the date of the Leave;
  • Form can then be triggered to
    • Either end at this point (might not be accurate);
    • Or, assign to the approver or the applicant to confirm that the Leave was actually taken.  
       
• There is a down side to doing the above. 
  • Changing the form process means additional work for everyone, every time.
  • Leaving the form process as is means an occasional bit of extra work only for the person that did not take the Leave.

But are those my only options?  I did find one other LF Answers post on this topic, but it appeared to be more complicated than I was hoping for:  https://answers.laserfiche.com/questions/160834/where-does-the-forms-instance-column-title-come-from#160884