(4) In section 22(2) (interests omitted from purchase), for “section 4 of this Act” substitute  “article 23 (time limit for exercise of authority to acquire land compulsorily) of the Riverside  Energy Park Order 2020”.  (5) In Schedule 2A( a ) (counter-notice requiring purchase of land not in notice to treat)—  “(2) But see article 25(3) (acquisition of subsoil only) of the Riverside Energy Park Order  2020, which excludes the acquisition of subsoil only from this Schedule.”; and  30.  In this Schedule, references to entering on and taking possession of land do not  include doing so under article 20 (protective work to buildings) or article 31 (temporary use  of land for carrying out the authorised development) or article 32 (temporary use of land for  maintaining the authorised development) of the Riverside Energy Park Order 2020.”.  30. —(1) The undertaker may enter upon, appropriate and use so much of the subsoil of, or  airspace over, any street within the Order limits as may be required for the purposes of the  authorised development or for any other purpose ancillary to the authorised development.  (2) Subject to paragraph (3), the undertaker may exercise any power conferred by paragraph (1)  in relation to a street without being required to acquire any part of the street or any easement or  right in the street.  (3) Paragraph (2) is not to apply in relation to—  (4) Subject to paragraph (5), any person who is an owner or occupier of land in respect of which  the power of appropriation conferred by paragraph (1) is exercised without the undertaker  acquiring any part of that person’s interest in the land, and who suffers loss as a result, is to be  entitled to compensation to be determined, in case of dispute, under Part 1 (determination of  questions of disputed compensation) of the 1961 Act.  (5) Compensation is not payable under paragraph (4) to any person who is an undertaker to  whom section 85 (sharing cost of necessary measures) of the 1991 Act applies in respect of  measures of which the allowable costs are to be borne in accordance with that section.  31. —(1) The undertaker may, in connection with the construction of the authorised  development—  ( a ) Inserted by schedule 17(1) paragraph 3 to the Housing and Planning Act 2016 (c.22).  22 (a) enter on and take temporary possession of—  (i) so much of the land specified in columns (1) and (2) of the table in Schedule 9 (land  of which temporary possession may be taken) for the purpose specified in relation to  that land in column (3) of the table in that Schedule;  (a) any subway or underground building; or  (b) any cellar, vault, arch or other construction in, on or under a street which forms part of a  building fronting onto the street.  (a) for paragraphs 1(2) and 14(2) substitute—  (b) after paragraph 29 insert—  “PART 4  INTERPRETATION  Rights under or over streets  Temporary possession of land  Temporary use of land for carrying out the authorised development 