This Statutory Instrument has been made to correct errors in S.I. 2021/484 and is being issued  free of charge to all known recipients of that Statutory Instrument.  S T A T U T O R Y I N S T R U M E N T S 2021 No. 513  CLIMATE CHANGE  The Recognised Auction Platforms and Greenhouse Gas  Emissions Trading Scheme Auctioning (Amendment)  Regulations 2021  Made  -  -  -  -  27th April 2021  Laid before the House of Commons  28th April 2021  Coming into force -  -  19th May 2021  The Treasury, in exercise of the powers conferred by section 96 of the Finance Act 2020( a ),  makes the following Regulations.  Citation, commencement and extent  1. —(1) These Regulations may be cited as the Recognised Auction Platforms and Greenhouse  Gas Emissions Trading Scheme Auctioning (Amendment) Regulations 2021.  (2) They come into force on 19th May 2021.  (3) They extend to the whole of the United Kingdom.  Amendments to the Recognised Auction Platforms Regulations 2011  2. —(1) Regulation 20 of the Recognised Auction Platforms Regulations 2011( b ) is amended as  follows.  (2) In paragraph (4)—  (a) in sub-paragraph (a), omit “established in the United Kingdom”;  (b) after sub-paragraph (a), insert—  “(aa) investment firms which—  (i) satisfy the condition in sub-paragraph (a)(i); and  (ii) are authorised under Directive 2014/65/EU of the European Parliament and of  the Council on markets in financial instruments( c ) as amended from time to  time;”;  (c) in sub-paragraph (b), omit “established in the United Kingdom”;  ( a ) 2020 c. 14.  ( b ) S.I. 2011/2699. Regulation 20 has been amended by S.I. 2013/3115, and 2021/494. There are other amendments to S.I.  2011/2699 which are not relevant to these Regulations.  ( c ) OJ L173, 12.6.2014, p.349. 