1 An investment firm shall be considered to be a systematic internaliser in accordance with Article 2(1)(12) of Regulation (EU) No 600/2014 in respect of emission allowances where, in relation to any such instrument, it internalises according to the following criteria:
(a) on a frequent and systematic basis in an emission allowance for which there is a liquid market as defined in Article 2(1)(17)(a) of Regulation (EU) No 600/2014 where during the past 6 months:
(i) the number of OTC transactions carried out by it on own account when executing client orders is equal to or larger than 4 % of the total number of transactions in the relevant type of emission allowances executed in the relevant area on any trading venue or OTC during the same period;
(ii) the OTC transactions carried out by it on own account when executing client orders in this type of emission allowances take place on average once a week;
(b) on a frequent and systematic basis in an emission allowance for which there is no
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