Invoices play a crucial role in business transactions, serving as essential documents that document the products or services rendered, their associated costs, and the terms of payment. However, there may be instances when an invoice is lost or goes unreceived. This situation can be quite frustrating and may lead to potential consequences for both the sender and the recipient. Therefore, it is crucial to understand how to handle such situations effectively. This article will guide you through the steps to take when an invoice is lost or unreceived, highlighting immediate actions to be taken and preventive measures to avoid such occurrences in the future.