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

The NYISO is reserving hours beginning 01:00, 03:00, 06:00, and 10:00 -
13:00 in the May 16, 2001 Real-Time Market as well as the following hours
per ECA20001006B to verify prices:

PJM: 00:00 - 04:00, 12:00
OH:  12:00
HQ:  12:00
NE:  12:00

Prices in the May 17, 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