On June 16, 2003, the IMO submitted a letter to the North American Electric Reliability Council (NERC) Operating Committee to register its concern with certain provisions in the PJM-Midwest-ISO Proposal for Congestion and Reliability Coordination. Related NERC submission to the Federal Energy Regulatory Commission: "First Additional Report of the North American Electric Reliability Council" is available at: ftp://www.nerc.com/pub/sys/all_updl/docs/ferc/MISO_PJM_062003.pdf