Our department may authorize the refunding of fees as follows:

1. The full amount of any fee paid hereunder that was erroneously paid or collected.
2. Not more than 50% of the permit fee paid when no work has been done under a permit issued in accordance with this Chapter.
3. Not more than 50% of a plan review fee paid when an application for a permit for which a plan review fee has been paid is withdrawn or canceled before any plan review effort has been expended. [HR-12-9-3]