Testimony issued by the Government Accountability Office with an abstract that begins "The Department of Commerce's U.S. Census Bureau (Bureau) seeks updated information on the addresses and maps of housing units from state, local, and tribal governments through the Local Update of Census Addresses (LUCA) program. This testimony discusses (1) the status of the LUCA program, and (2) the Bureau's response to prior issues raised by GAO as well as new challenges related to the program. The testimony is based on a GAO report issued on June 14, 2007. GAO reviewed LUCA program documents, met with and surveyed participants in the LUCA Dress Rehearsal, and interviewed Bureau officials and local officials."