Article 28 1.

require natural or legal persons who have net short positions in relation to a specific financial instrument or class of financial instruments to notify a competent authority or to disclose to the public details of any such position; or

prohibit or impose conditions on, the entry by natural or legal persons into a short sale or a transaction which creates, or relates to, a financial instrument other than financial instruments referred to in point (c) of Article 1(1) where the effect or one of the effects of the transaction is to confer a financial advantage on such person in the event of a decrease in the price or value of another financial instrument.