November 17, 1998

The Honorable David P. Boergers
Secretary
Federal Energy Regulatory Commission
888 First Street, N.E.
Washington, D.C.  20426

Re:	The California Independent System Operator Corporation, – Docket Nos. EC96-19-035, EC96-19-041, and ER96-1663-036 and ER96‑1663‑042 - ERRATA

Dear Secretary Boergers:

	Yesterday, I submitted for filing six copies of tariff sheets for the California Independent System Operator Corporation (“ISO”) FERC Electric Tariff, Original Volumes I and III, reflecting Amendments No. 10 and 11 to the ISO Tariff, and versions of those tariff sheets identifying the changes effected by those amendments.  I also enclosed amendments to the ISO Tariff requiring the ISO to notify Scheduling Coordinators and owners and operators of sources providing Ancillary Services of any failure of such source to pass an availability test.  These amendments were in compliance with the Commission’s October 16, 1998, Order.

	It has come to my attention that the “black-lined” versions of the latter amendments were omitted from the documents filed with the Commission, although they were included in the service copies.  I am enclosing the omitted pages.

	It has also come to my attention that the Notice of Filing accompanying the documents filed with the Commission contained errors in a date and a docket number.  Enclosed, in hard copy and electronic form, is a corrected Notice of Filing which rectifies these errors.

	Also enclosed is an extra copy of this filing.  I would appreciate your having the extra copy stamped with the time and date and returned to the messenger.

					Respectfully submitted,

					Michael E. Ward
					Swidler Berlin Shereff Friedman, LLP
					3000 K Street, N.W.
					Washington, D.C.  20007
					(202 424-7500)

					Counsel for the California Independent 
						System Operator Corporation