Modifies language in Section 7.9.2.1 for the calculation of the North 345 kV Trading Hub to be consistent with the calculation of the other three regional trading hubs by removing the 90% / 10% language that was originally applied to the North 345 kV Trading Hub only; Replaces the specific minimum scheduling increments by hub specified in Section 7.9.3.4 (2) with a Trading Hub to 2005 Congestion Zone conversion matrix.