(a) listed in Schedule 1A; or  (b) a member State of the EU;”.  (3) In regulation 25 (conditions relating to the GPA and other international agreements)—  (a) in the heading, for “the GPA and other international agreements” substitute “international  agreements by which the EU is bound, other than the GPA”;  (b) in paragraph (1), for “Annexes 1, 2 and 4 to 7 to the EU’s Appendix 1 to the GPA and by  the other international agreements” substitute “the international agreements, other than  the GPA,”;  (c) for paragraph (2) substitute—  “(2) Paragraph (1) is to be applied as if the United Kingdom were a member State.”.  (4) After regulation 25 insert—  “ Conditions relating to the GPA  25A.  Where a contracting authority is covered by Annexes 1 or 2 to the United  Kingdom’s Appendix 1 to the GPA in respect of a procurement that is covered by Annexes  4 to 7 to that Appendix, the contracting authority shall accord to the works, supplies,  services and economic operators of any GPA party treatment no less favourable than the  treatment accorded to the works, supplies, services and economic operators of the United  Kingdom.”.  (5) In regulation 90 (duty owed to economic operators from certain other states)—  (a) in the heading, for “certain other states” substitute “countries with whom the EU has an  international agreement, other than the GPA”;  (b) in paragraph (1)(a), omit “Condition 1, Condition 2 or”;  (c) omit paragraphs (2), (2A) and (4).  (6) After regulation 90 insert—  “Duty owed to economic operators from GPA parties  90A. —(1) The duty owed in accordance with regulation 89 is a duty owed also to an  economic operator from a GPA party, but only where the agreement applies to the  procurement concerned.  (2) For the purposes of paragraph (1), the GPA applies to a procurement if—  (a) the procurement may result in the award of a contract of any description; and  (b) at the relevant time—  (i) a GPA party has agreed with the United Kingdom that the GPA shall apply to  a contract of that description; and  (ii) the economic operator is from that GPA party.  (3) In this regulation, “relevant time” means the date on which the contracting authority  submitted a call for competition in respect of the contract to the UK e-notification service  or would have done so if it has been required by Part 2 to do so.”  (7) After Schedule 1 (central government authorities) insert—  Regulation 2(1)  “SCHEDULE 1A  PARTIES TO THE GPA  Armenia  Australia  2