(a)      "Authorized person" means:

            (1)      a professional engineer who is licensed under Title 14 of this article;

            (2)      a professional land surveyor who is licensed under Title 15 of this article; or

            (3)      an authorized representative of the professional engineer or the professional land surveyor who is executing a survey.

      (b)      If entry is for the purpose of using the horizontal or vertical position data in controlling surveys of land for cadastral purposes or for other private or public engineering purposes, an authorized person may enter on any private land on which there is a marked survey station for which the horizontal or vertical position has been determined:

            (1)      by or under the direction of the National Geodetic Survey;

            (2)      as a part of the Maryland coordinate system; or

            (3)      by or under the direction of any other organization whose survey stations have been established by or in accordance with the requirements of the State agency authorized to administer the Maryland coordinate system.