California Code
ARTICLE 1 - General Provisions
Section 7804.1.

7804.1. Only a person registered as a geophysicist under the provisions of this chapter shall be entitled to take and use the title “professional geophysicist.” Only a person registered as a geophysicist and certified under the provisions of this chapter shall be entitled to take and use the title of a registered certified specialty geophysicist.

(Amended by Stats. 2005, Ch. 657, Sec. 8. Effective January 1, 2006.)