Cal. Rev. & Tax. Code § 20641

Forms filed pursuant to this part shall not be under oath but shall contain, or be verified by, a written declaration that they are made under the penalty of perjury. All forms filed pursuant to Chapter 1 (commencing with Section 20501) shall require such information as the Franchise Tax Board may from time to time prescribe, and shall be filed with the Franchise Tax Board. The Franchise Tax Board shall prepare blank forms for the claimant and shall distribute them throughout the state and furnish them upon application. All forms filed pursuant to Chapter 2 (commencing with Section 20581), Chapter 3 (commencing with Section 20625), Chapter 3.3 (commencing with Section 20639), or Chapter 3.5 (commencing with Section 20640), shall require such information as the Controller may from time to time prescribe, shall be filed with the Controller, and the Controller shall prepare such blank forms for the claimant and shall distribute them throughout the state and furnish them upon application.