IIROC has published notice that regulatory authorities have approved amendments to the Universal Market Integrity Rules respecting the "best price" obligation. Among other things, the amendments, which became effective on May 16, 2008 when they were published, set out certain order handling methods, the use of which will satisfy the "reasonable efforts" requirements of the "best price" obligation. IIROC also published a notice providing guidance on specific questions related to compliance with the "best price" obligation.