26Requirement for approval of activities involving Commonwealth land

26  Requirement for approval of activities involving Commonwealth land Actions on Commonwealth land  (1) A person must not take on Commonwealth land an action that has, will have or is likely to have a significant impact on the environment. Actions outside Commonwealth land affecting that land  (2) A person must not take outside Commonwealth land an action that:  (a) has or will have a significant impact on the environment on Commonwealth land; or  (b) is likely to have a significant impact on the environment on Commonwealth land. Exceptions to prohibitions  (3) Subsection (1) or (2) does not apply to an action if:  (a) an approval of the taking of the action by the person is in operation under Part 9 for the purposes of the subsection; or  (c) there is in force a determination under section 79E that the action may continue to be taken and the action is taken in accordance with the conditions (if any) specified in the determination; or  (d) there is in force a decision of the Minister under Division 2 of Part 7 that the subsection is not a controlling provision for the action and, if the decision was made because the Minister believed the action would be taken in a manner specified in the notice of the decision under section 77, the action is taken in that manner; or  (e) the action is an action described in subsection 160(2) (which describes actions whose authorisation is subject to a special environmental assessment process); or  (f) the person taking the action is the Commonwealth or a Commonwealth agency. Note 1: This section protects (among other things) the Commonwealth Heritage values of a Commonwealth Heritage place on Commonwealth land, because the heritage values of a place are part of the environment. See the definition of environment in section 528. Note 2: Section 28 regulates actions by the Commonwealth or a Commonwealth agency with a significant impact on the environment.