(1) The chief executive may approve a geothermal tenure holder giving an entry notice for the tenure by publishing it in a stated way.
(2) The publication may relate to more than 1 entry notice.
(3) The chief executive may give the approval only if satisfied--
(a) for a relevant owner or occupier who is an individual, it is impracticable to give the owner or occupier the notice personally; and
(b) the publication will happen at least 20 business days before the entry.