Invoice

The Invoice is a key item used as part of a request to restore Ilia's memory in Twilight Princess. This item can be obtained after showing Telma, Renado's letter. The invoice goes in depth on the town doctor's tab, which appears to be an astronomical amount. By taking the invoice to said doctor, Link will be able persuade him into giving the hero the next location that will aide him in restoring Ilia's memory. The location leads to an item that is known as, the Wooden Statue.