2004: Leung Chin-man, as director of housing, is heavily criticised when the government sells Hunghom Peninsula, a never-occupied subsidised housing estate, for barely half the asking price to a consortium that includes a New World Development (NWD) subsidiary.
January 2007: Leung retires from government.
August 2008: Leung is appointed deputy managing director and an executive director of New World China Land, triggering a public outcry. He steps down hours after Chief Executive Donald Tsang Yam-kuen orders a review of the decision allowing him to take up the post.
October 2008: Tsang appoints 11-member committee to review rules governing former civil servants' post-service employment.
December 2008: A Legislative Council select committee is set up to investigate the incident.
March 2009: The select committee begins hearings. Witnesses to testify in the nine-month investigation include Leung; NWD's Henry Cheng Kar-shun and Stewart Leung Chi-kin; Mr Justice Pang Kin-kee, chairman of the Advisory Committee on Post-service Employment of Civil Servants; Secretary for the Civil Service Denise Yue Chung-yee; and others involved in approving Leung Chin-man for the post-service job.
July 2009: The review committee recommends measures to tighten restrictions on post-service jobs.
Two witnesses from NWD seek judicial review challenging select committee's power to summon them.
September 2009: Court of First Instance approves committee's power to summon witnesses. Cheng and Stewart Leung appeal.
November 2009: The pair testify in the last two committee sessions.