Senator Ludlam asked the Minister representing the Treasurer, upon notice, on 10 November 2011: With reference to the answer to question no. AET 157, taken on notice during the 2010-11 additional estimates hearings of the Economics Legislation Committee, which stated that 5.8 full-time equivalents within the department are working on housing affordability: (1) To what extent are taxation issues relating to housing included in the work or analysis of these staff. (2) Can a detailed outline be provided of the work of these staff relating to 'identifying currently underutilised land'.