"(3A) The third case is where it appears to the Treasury that -
(a) events have occurred in relation to a regulated payment system which caused or risked causing significant damage to business or other interests throughout the United Kingdom, and
(b) those events might not have occurred, or the threat or damage might have been reduced, but for a serious failure in -
(i) the system established by Part 5 of the Financial Services (Banking Reform) Act 2013 for the regulation of payment systems, or
(ii) the operation of that system."