In the performance of the functions and duties of the Commission, any member or any employee or agent of the Commission may enter at all reasonable hours upon any private premises and into any building in the Maryland-Washington Metropolitan District or in the Maryland-Washington Regional District, in order to make examinations and surveys and to place and maintain necessary monuments and marks thereon. Any restraint or hindrance offered to the entry, examination, survey, or placing or maintenance of monuments or marks by any owner or tenant or agent of an owner or tenant is a misdemeanor, punishable as such under the general penalty provisions of this article.