(a) As nearly as practical, 50 percent of the total projected revenue, computed on a fiscal-year basis, accruing from the sales of all lottery tickets or shares shall be apportioned for payment of prizes.
(b) This section shall become operative on April 1 of the year following notification from the Controller to the Legislature and the Governor that the events described in paragraphs (1) and (2) of subdivision (c) of Section 8880.4.5 have occurred.