It is unlawful for anyone other than a geophysicist registered under this chapter to stamp or seal any plans, specifications, plats, reports, or other documents with the seal or stamp of a registered geophysicist, professional geophysicist, or registered certified specialty geophysicist, or to use in any manner the title “registered geophysicist,” “professional geophysicist,” or the title of any registered certified specialty geophysicist unless registered, or registered and certified, under this chapter.
Source:
Section 7830.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=7830.1..