CGoering@nyiso.com writes to the NYISO_TECH_EXCHANGE Discussion List:

The NYISO is reserving hours beginning 3:00 and 18:00 in the October 21,
2001 Real-Time Market as well as the following hours per ECA 20010908B to
verify prices:

HQ:  3:00, 5:00-7:00, 10:00, 15:00, 23:00
NE:  7:00, 23:00
OH:  7:00, 23:00
PJM: 7:00, 10:00-18:00, 23:00

Prices in the October 22, 2001 Day-Ahead Market are correct.

This e-mail information is a copy of the official posting which can be
found at the following address of our website:
http://mis.nyiso.com/public/htm/OperMessages/CurrentOperMessages.htm#mm