The document provides information about uFile, an online system for filing property tax valuation protests with the Dallas Central Appraisal District. uFile allows property owners to file protests online from May 1st through May 31st for residential and commercial properties and from May 16th through June 16th for business personal properties. To use uFile, owners search for their property on the Dallas CAD website and click the "Online Protest" link to begin the online protest filing process. Protests filed through uFile do not need to be duplicated through other methods.