(a) Any reference in this chapter to an investigation by the board shall be deemed to refer to a joint investigation conducted by employees of the Department of Justice and the board under the vertical enforcement and prosecution model, as specified in Section 12529.6 of the Government Code.
(b) This section shall remain in effect only until January 1, 2013, and as of that date is repealed, unless a later enacted statute, that is enacted before January 1, 2013, deletes or extends that date.