IIROC this week announced a change in the implementation dates for UMIR amendments respecting short sales and failed trades, previously scheduled to occur on September 1, 2012, to October 15, 2012. Meanwhile, the implementation of amendments respecting dark liquidity, previously scheduled to occur on October 10, 2012, has now also been changed to October 15, 2012. According to IIROC, the dates have been consolidated to facilitate the technical changes that market participants, marketplaces and service providers need to make and to provide for one testing window for the changes. For more information, see IIROC Notice 12-0158.

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