A licensee may undertake or perform land-surveying assignments only when qualified to do so by education or experience, or both, in the specific field of land surveying involved. A licensee may affix the licensee’s signature or seal to land surveying documents only if: The licensee is competent in the subject matter of those documents by virtue of education or experience, or both; and The documents were prepared under the licensee’s direction as principal by an employee or an associate competent in the subject matter of those documents by virtue of education or experience, or both.