Definition: Overbillow is a term used in accounting and finance to describe an error or misstatement made by an organization that leads to a loss of revenue. It can refer to any irregularity, mistake, or defect in the financial statements, which may result from a variety of factors such as errors in data entry, incorrect calculations, or inadequate internal controls. In accounting, overbillow is often seen when an entity underestimates expenses and overstates revenues, resulting in a loss of revenue. This
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