http://www.legislation.gov.uk/ukpga/2002/40/section/52/enactedEnterprise Act 2002Fair tradingKing's Printer of Acts of Parliament2021-08-03 Part 3MergersChapter 2Public interest casesReports on referencesSection 51: supplementary 52 1 No extension is possible under subsection (3) or (4) of section 51 where the period within which the report is to be prepared and given to the Secretary of State is determined by virtue of subsection (2)(b) of that section. 2 Where the period within which the report is to be prepared and given to the Secretary of State is determined by virtue of subsection (2)(a) of section 51, no extension is possible under subsection (3) or (4) of that section which extends that period beyond such period as is necessary to ensure compliance with article 9(6) of the European Merger Regulations. 3 A period extended under subsection (3) of section 51 may also be extended under subsection (4) of that section and a period extended under subsection (4) of that section may also be extended under subsection (3) of that section. 4 No more than one extension is possible under section 51(3). 5 Where a period within which a report under section 50 is to be prepared and given to the Secretary of State is extended or further extended under section 51(3) or (4), the period as extended or (as the case may be) further extended shall, subject to subsections (6) and (7), be calculated by taking the period being extended and adding to it the period of the extension (whether or not those periods overlap in time). 6 Subsection (7) applies where— a the period within which the report under section 50 is to be prepared and given to the Secretary of State is further extended; b the further extension and at least one previous extension is made under section 51(4); and c the same days or fractions of days are included in or comprise the further extension and are included in or comprise at least one such previous extension. 7 In calculating the period of the further extension, any days or fractions of days of the kind mentioned in subsection (6)(c) shall be disregarded. 8 The Secretary of State may by order amend section 51 so as to alter any one or more of the following periods— a the period of 24 weeks mentioned in subsection (1) of that section or any period for the time being mentioned in that subsection in substitution for that period; b the period of 24 weeks mentioned in subsection (2)(a) of that section or any period for the time being mentioned in that subsection in substitution for that period; c the period of 8 weeks mentioned in subsection (3) of that section or any period for the time being mentioned in that subsection in substitution for that period. 9 No alteration shall be made by virtue of subsection (8) which results in the period for the time being mentioned in subsection (1) or (2)(a) of section 51 exceeding 24 weeks or the period for the time being mentioned in subsection (3) of that section exceeding 8 weeks. 10 An order under subsection (8) shall not affect any period of time within which the Commission is under a duty to prepare and give to the Secretary of State its report under section 50 in relation to a reference under section 45 if the Commission is already under that duty in relation to that reference when the order is made. 11 Before making an order under subsection (8) the Secretary of State shall consult the Commission and such other persons as he considers appropriate. 12 The Secretary of State may make regulations for the purposes of section 51(8). 13 The regulations may, in particular— a provide for the time at which information or documents are to be treated as provided (including the time at which they are to be treated as provided to the satisfaction of the Commission for the purposes of section 51(8)); b provide for the time at which a person is to be treated as appearing as a witness (including the time at which he is to be treated as appearing as a witness in accordance with the requirements of the Commission for the purposes of section 51(8)); c provide for the persons carrying on the enterprises which have or may have ceased to be, or may cease to be, distinct enterprises to be informed, in circumstances in which section 51(8) applies, of the fact that— i the Commission is satisfied as to the provision of the information or documents required by it; or ii the person concerned has appeared as a witness in accordance with the requirements of the Commission; d provide for the persons carrying on the enterprises which have or may have ceased to be, or may cease to be, distinct enterprises to be informed, in circumstances in which section 51(8) applies, of the time at which the Commission is to be treated as satisfied as mentioned in paragraph (c)(i) above or the person concerned is to be treated as having appeared as mentioned in paragraph (c)(ii) above.