SR-NASD-2007-028

Proposed Rule Change to Amend Rules 6951 and 6954 Regarding the Order Audit Trail System

NASD is filing with the Securities and Exchange Commission ("SEC" or "Commission") a proposed rule change to amend NASD Rules 6951 and 6954 to require members that transmit an intermarket sweep order ("ISO") to another member, electronic communications network, non-member, or exchange to record and report the fact that the order was an ISO.