(a) Surveyors shall practice only in their areas of competence.(b) The surveyor shall not perform any surveying assignment for which the surveyor is not qualified by education or experience to perform adequately and competently. However, a surveyor may accept an assignment which includes phases outside of the surveyor's area of competence if those other phases are performed by qualified registered professionals, consultants, associates, or employees.(c) The surveyor shall not express a surveying opinion which is contrary to generally accepted surveying principles without fully disclosing the basis and rationale for such an opinion.