Expense Reports Instructions on how to create a report, enter expenses (Per Diems & Mileage), and how to submit your weekly expense report. Reminder: All expense reports must be titled "First Name, Last Name, Week Dates" - Example: John Smith 7/15-7/21. Each payroll cycle should have two reports. Expense Reports Using Paylocity Expense Video: Click Here Entering Mileage Video: Click Here