[§669-13] Restrictions as to owner of property. This part shall not apply to any de minimus structure position discrepancy on public lands, as defined in section 171-2, or to such encroaching improvements incident to shoreline boundaries. If real property subject to this section is owned by a county, any improvement within a de minimus structure position discrepancy shall be removed at the expense of the property owner who constructed the improvement, or the property owner's successor in interest, upon notice, in accordance with the respective county procedures or ordinances. [L 1997, c 131, pt of §2]