In April 2012, the Treasury Inspector General for Tax Administration received an allegation about an August 2010 Internal Revenue Service (IRS) conference held in Anaheim, California, (hereafter referred to as the Anaheim conference or the conference) that may have involved excessive spending. The Small Business/Self-Employed (SB/SE) Division held the conference, entitled "Leading into the Future," for its entire management staff. According to information provided by the IRS, this conference was provided to 2,609 employees at an estimated cost of approximately $4.1 million. We requested a complete list of conferences held by the IRS during Fiscal Years (FY) 2010 through 2012. Based on information provided to us, the IRS held 225 conferences during this period for a total estimated cost of approximately $49 million. See Appendices IV and VI for more information on these conferences. Figure 1 shows the top three conferences held at a single location, based on estimated cost per the IRS.