Cal. Rev. & Tax. Code § 60106.1

In order to issue an exemption certificate as provided in Section 60106, the train operator shall obtain a permit from the board. Every application for a permit shall be made upon a form prescribed by the board and shall set forth the name under which the applicant transacts or intends to transact business, the location of his or her place or places of business, and such other information as the board may require. The application shall be signed by the owner if a natural person; in the case of an association or partnership, by a member or partner; in the case of a corporation, by an executive officer or some person specifically authorized by the corporation to sign the application.