Most would consider it unethical to request mileage when it has not been incurred, although some may argue that each staff person could have driven separately and requested mileage. Mileage is requested or not requested.

The staff person will receive extra compensation and the firm would overpay for travel expenses and they would then overbill their client for those expenses. However, if the firm learns of this action, it could issue punishment up to termination from the firm.

A colleague has proposed that each staff person submit a mileage reimbursement request, even when they shared a ride.

Most people would say the appropriate action is not to request mileage unless it has actually been incurred, considering both what is ethical and the possible consequences.

The two staff members, the firm, and the client are affected.