(1) The FCA must, unless regulation 25 applies, establish position limits under regulation 16 in accordance with Regulation (EU) 2017/591.
(2) The FCA must review a position limit it has established under regulation 16 where there is -
(a) a significant change in deliverable supply or open interest; or
(b) any other significant change on the market, based on the FCA's determination of deliverable supply or open interest.
(3) Where following a review the FCA believes that the position limit should be reset it must establish a new position limit under regulation 16.