EU-derived legislation not falling within Parts 1 to 3 so far as relating to financial services or markets (other than instruments excluded from this Part by regulations under section 1(5)).
For this purpose -
(a) "EU-derived legislation" means -
(i) assimilated direct legislation,
(ii) subordinate legislation so far as it contains provision for the purpose of implementing, or otherwise in relation to, an EU directive or any other obligation that was created or arose by or under the EU Treaties before IP completion day,
(iii) subordinate legislation made under section 3, or
(iv) subordinate legislation made under the European Union (Withdrawal) Act 2018;
(b) EU-derived legislation is to be taken as "relating" to financial services or markets if its purpose, or one of its main purposes, is for or in connection with the imposition of requirements on the provision of financial services or the operation of financial markets or exchanges.