California Code, Revenue and Taxation Code - RTC § 19761

(a) The Franchise Tax Board shall develop and administer a voluntary compliance initiative for taxpayers subject to Part 10 (commencing with Section 17001) and Part 11 (commencing with Section 23001), as provided in this article.

(b) The voluntary compliance initiative shall be conducted during the period from August 1, 2011, to October 31, 2011, inclusive, pursuant to Section 19764. This initiative shall apply to tax liabilities attributable to the use of abusive tax avoidance transactions and to unreported income from the use of offshore financial arrangements for taxable years beginning before January 1, 2011.

(c) The Franchise Tax Board shall issue forms and instructions and may take any other actions necessary, including the use of closing agreements, to implement this article.

(d) The Franchise Tax Board shall publicize the voluntary compliance initiative so as to maximize public awareness of and participation in the initiative. The Franchise Tax Board shall coordinate to the highest degree possible its publicity efforts and other actions taken in implementing this article.

(e) Any correspondence mailed by the Franchise Tax Board to a taxpayer at the taxpayer's last known address outlining the voluntary compliance initiative under this article constitutes “contact” within the meaning of Treasury Regulation Section 1.6664-2(c)(3), relating to qualified amended returns, and Sections 19164.5 and 19777.