Submitting Expense Report. Completing Form T2125.Line 9200 – Travel expenses. Employers can deduct travel expenses paid or incurred during a temporary work assignment if the assignment length does not exceed one year. Using Form T777, fill in line 9200 with your travel expenses, and attach it to your tax return file. Only expenses incurred on the days the traveler is on Maricopa business will be reimbursed.