TSX Dark Liquidity Guide

17 When DRK orders are disabled by TSX/TSXV Trading Support at the market level, all DRK orders on the market will be transitioned into a non-executable state. This will be followed by a General message and an email being disseminated by TSX/TSXV Trading Support as notification of the action. 10.2 Re-enabling DRK Orders 10.2.1 Symbol level Once DRK orders have been disabled at the symbol level they may be re-enabled intra-day by TSX/TSXV Trading Support. Once re-enabled a stock status notification message will be disseminated with the Accept Undisplayed tag set to ‘Y”. This will be followed by a General message being disseminated by TSX/TSXV Trading Support as further notification of the action. 10.2.2 Market level When DRK orders have been disabled at the market level they may re-enabled prior to or after the continuous trading session by TSX/TSXV Trading Support. This will be followed by a General message being disseminated by TSX/TSXV Trading Support. 11. Order Entry DRK orders may be submitted through the TSX-FIX protocol. Please refer to Table 2 for a summary of the corresponding tag details, or the TSX-FIX Specification and Business Design Guide for full details. • When a DRK order is booked the limit price will be reported in the Price field of the order confirmation. • When a trader CFOs the price of a DRK order this will result in a new limit price being assigned.