NOTICE DATE: September 18, 2015 NOTICE TYPE: W-A091815-01 Operations SHORT DESCRIPTION: Change to Current Bid/Offer Limitation in the Day-Ahead Market INTENDED AUDIENCE: Qualified Scheduling Entities DAY AFFECTED: October 20-22, 2015 LONG DESCRIPTION: On October 20 - 22, 2015, ERCOT will implement a change to the current bid/offer limitation in the Day-Ahead Market (DAM). Once the change is implemented, Qualified Scheduling Entities (QSEs) will be restricted to 35 Bid/Offer IDs per settlement point (or source/sink pair) per day. This applies to Energy-Only Offers, Energy Bids, and PTP Obligation Bids. This change was discussed at the May 6, 2015 Wholesale Market Subcommittee (WMS) meeting and is documented in the Approved Minutes<http://www.ercot.com/calendar/2015/5/6/31914-WMS> posted on the meeting page on ERCOT.com. The Market Submission Validation Rules document, located on the Day-Ahead Market page<https://mis.ercot.com/pps/tibco/mis> of ERCOT's Market Information System (MIS), will be updated to reflect the new limit once it has become effective. A Digital Certificate is required to access the MIS. CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving email from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com. sa/mm