Using your mobile app, you can deduct any per diem items that have already been covered (e.g. free lunch offered by the company or breakfast included in your hotel expenses)
Here’s how you can deduct the meals from your per diem expense.
From your Expenses To-Do list, tap on the per diem expense.
Scroll down and go to DEDUCTIONS, swipe to the right to deduct the breakfast, lunch or dinner from your per diem expense.
Once completed, tap on the Submit button, or on Save to submit it later.
Note: You can also make the deduction while Creating your per diem expense.