Question - Applicability of Per Diem Deductions for AM/PM Out-N-Backs
I've heard alot of guys who fly internaionally, or routinely fly to more expensive cities, use private services (e.g. Pro Diem) to calculate the difference between the governament authorized per diem rates for those cities and the actual per diem paid by their airlines.
They then include this difference as an additional deduction when calculating their non-reimbursed business expenses.
My questions...
Do you have to "layover" on a trip to take this additional deduction?
Can you apply this deduction when flying AM or PM Out-N-Backs, which don't pay any per diem?
If so, I can see how it would also be very worthwhile for an AM or PM Out-N-Back flyer to take the time to calculate this additional deduction.
Is there anyone out there who has used a private service, like Pro Diem, who can check their printouts to see if their out-n-back trips also earned them any additional deductions?
Any/all inputs are greatly appreciated.
Thanks!
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