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

The NYISO is reserving hours beginning 03:00, 10:00, 14:00, and 22:00 in
the May 14, 2001 Real-Time Market as well as the following
hours per ECA20001006B to verify prices:

PJM:  0:00, 3:00, and 5:00
OH:   3:00
HQ:   3:00
NE:   3:00

Prices in the May 15, 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 on our website:
http://mis.nyiso.com/public/htm/OperMessages/CurrentOperMessages.htm#mm