Closing of the Flight Expenses
In Flight Database, open flight and go to the 
Expense tab ,
there in the central bar of the page you'll see
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button, use it when flight expenses are all set up, when you press this button, in the flight list, you'll see following mark
and in
Expense tab will be shown two buttons:
- pressing this button will remove Notify mark in the flight
- close button, will close expenses and will be shown like 
in the list (will be seen only by permission)
press
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button to remove Close mark in the flight .