Notice 

Effective Date for Particular Ancillary Services Redesign Elements 

In its May 26, 1999 Order on the ISO's March 1, 1999 Ancillary Services ("AS") Redesign filing ("Amendment No.14"), the FERC approved the ISO's request for effective dates based on the later of May 1, 1999, or seven days after the ISO posts notice on the ISO Home Page that the software is available for implementation.  Pursuant to the FERC order, the ISO is providing notice that the following AS Redesign elements will be uploaded to production for Day Ahead Scheduling on Tuesday, August 17, 1999 for Operating Day Wednesday, August 18, 1999:

1) 	Allocation of A/S based on Metered Demand
2)	Use of Replacement Reserves
3)	Rational Buyer
4)	Regulation-Up and Regulation-Down
5)	The Effective Price proposal of Uninstructed Deviations