Regulation 15 FCA power to prohibit or impose conditions on short sales
Subject to regulation 16(1), the FCA may prohibit persons from, or impose conditions relating to persons, entering into—
(a)
a short sale of a financial instrument, or
(b)
a transaction, other than a short sale of a financial instrument, where an effect of that transaction is to confer a financial advantage on the person in the event of a decrease in the price or value of that financial instrument.