KRS 322.020 shall not apply to:
(1) The work of an employee or subordinate of:
(a) A professional engineer if the work is done under the direct supervision of and verified by the professional engineer; or (b) A professional land surveyor if the work is done under the direct supervision of and verified by the professional land surveyor;
(2) The practice of engineering or land surveying by officers and employees of the United States government while engaged in engineering or land surveying for the government;
(3) The practice of engineering or land surveying by a person on property he or she leases or owns unless:
(a) The practice involves the public safety, health, or welfare; or (b) The land surveying relates to the location or determination of any existing or proposed land boundaries;
(4) An engineer or land surveyor engaged solely as an officer or employee of a privately owned public utility or of a business entity engaged in interstate commerce as defined in the Interstate Commerce Act (24 Stat. 379) as amended;
(5) A licensed architect who engages in the practice of engineering incident to the practice of architecture; or (6) The practice of engineering related solely to the design or fabrication of manufactured products. This exemption does not extend to site-specific engineering work for Kentucky locations.