An architect, professional engineer or land surveyor licensed or registered under the statutes of this state, insofar as the licensed or registered professional practices the profession for which he or she is licensed or registered, is exempt from the provisions of this chapter, except that an architect, professional engineer, or land surveyor may not use the title "landscape architect" unless he or she holds a license as required under this chapter.
Ca. Bus. and Prof'l. Code § 5641.3