(3) In the exercise of its power under subsection (2)(a), the Company must first serve written notice of its intention on the owner or occupier of any private land or property if the name and address of such owner or occupier can reasonably be ascertained and if the name and address of such owner or occupier cannot reasonably be ascertained the Company must post such notice in a conspicuous place on the land or property in question, and if such owner or occupier, within 15 days of such notice, gives written notice to the Company of his or her objection thereto, the matter must be referred by the Company to the Minister; and the Company may not enter upon private land or property in question if the Minister, within 15 days of being notified by the Company of any such objection so directs.