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NOTICE DATE: November 2, 2020

NOTICE TYPE: R-A110220-01 Retail

SHORT DESCRIPTION: TX SET 4.0A Guide updates have been posted and are effective immediately

INTENDED AUDIENCE: TDSPs, LSEs

DAYS AFFECTED: November 2, 2020

LONG DESCRIPTION: Changes to standards and corresponding guide updates associated with market effort TX SET 4.0A have been posted to the ERCOT website and are effective immediately. This includes (but is not limited to):

Enhanced validation for ANSI X12 compliance
Enhanced validation for TEXAS SET compliance
Implemented additional functionality to capture and communicate multiple reject response reasons
Additional enforcement regarding segment looping validation standards

ACTION REQUIRED: Review and compliance with the updated TX SET 4.0A standards.

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].

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