Portland Natural Gas Transmission System

Original Volume No.1

Effective Date: 02/11/1999, Docket: CP96-248-010, Status: Effective

Substitute Original Sheet No. 380 Substitute Original Sheet No. 380 : Superseded

Superseding: Original Sheet No. 380

GENERAL TERMS AND CONDITIONS (Continued)

COMPLIANCE WITH GISB STANDARDS

24.1 Compliance With GISB Standards. Transporter has adopted all

of the Business Practices and Electronic Communication Standards which were

required by the Commission in 18 C.F.R. Section 284.10(b) in accordance with

Order No. 587 issued July 17, 1996. In addition to those GISB standards

elsewhere referred to in the tariff, Transporter is incorporating herein the

following GISB standards, definitions and data sets, Version 1.2 by reference:

1.1.19, 1.2.2, 1.2.3, 1.2.5, 1.2.6, 1.2.8, 1.2.9, 1.2.10, 1.2.11, 1.3.2,

1.3.3, 1.3.14, 1.3.15, 1.3.16, 1.3.19, 1.3.21, 1.3.23, 1.3.24, 1.3.25, 1.3.26,

1.3.27, 1.3.28, 1.3.29, 1.3.30, 1.3.31, 1.3.33, 1.3.34, 1.4.1, 1.4.2, 1.4.3,

1.4.4, 1.4.5, 1.4.6, 2.2.1, 2.3.1, 2.3.2, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8,

2.3.9, 2.3.10, 2.3.11, 2.3.12, 2.3.13, 2.3.15, 2.3.16, 2.3.17, 2.3.18, 2.3.19,

2.3.20, 2.3.21, 2.3.22, 2.3.23, 2.3.24, 2.3.25, 2.3.27, 2.3.28, 2.3.31, 2.4.1,

2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6,

3.3.7, 3.3.8, 3.3.9, 3.3.10, 3.3.11, 3.3.12, 3.3.13, 3.3.14, 3.3.16, 3.3.17,

3.3.18, 3.3.19, 3.3.20, 3.3.21, 3.4.1, 3.4.2, 3.4.3, 4.3.1, 4.3.2, 4.3.3,

4.3.7, 4.3.8, 4.3.9, 4.3.10, 4.3.11, 4.3.12, 4.3.13, 4.3.14, 4.3.15, 4.3.16,

5.2.1, 5.3.1, 5.3.5, 5.3.9, 5.3.10, 5.3.11, 5.3.18, 5.3.20, 5.3.21, 5.3.22,

5.3.23, 5.3.25, 5.3.26, 5.3.30, 5.4.1, 5.4.2, 5.4.3, 5.4.4, 5.4.5, 5.4.6,

5.4.7, 5.4.8, 5.4.9, 5.4.10, 5.4.11, 5.4.12, 5.4.13, 5.4.14, 5.4.15, 5.4.16,

5.4.17

Transporter is also incorporating herein the following GISB standards,

definitions and data sets (Version 1.3, as approved March 12, 1998) by

reference:

1.3.20, 1.3.32, 1.3.39, 1.3.40, 1.3.41, 1.3.42, 1.3.43, 1.3.44

If there is a conflict between any of these GISB standards and other

portions of this FERC Gas Tariff, the GISB standards will control.