(1) Any employee or agent of a person, firm, association or corporation, when such employee or agent is engaged in the practice of land surveying exclusively for the person, firm, association or corporation by which employed, or, if a corporation, its parents, affiliates or subsidiaries, and such person, firm, association or corporation does not hold himself, herself or itself out to the public as being engaged in the business of land surveying.
(2) Any employee or officer of the United States, this state or any political subdivision thereof, or their agents, when such employee is engaged in the practice of land surveying exclusively for such governmental unit.
(b) The minimum standards for boundary surveys contained in section twenty-six of this article apply, notwithstanding the exemptions provided by this section.